Perfect Square
6409385630278974844580197496568713253884770681 is a perfect square (80058638698637480920459 × 80058638698637480920459)
6409385630278974844580197496568713253884770681 is a perfect square (80058638698637480920459 × 80058638698637480920459)
6409385630278974844580197496568713253884770681 is odd
Previous odd number is 6409385630278974844580197496568713253884770679
Next odd number is 6409385630278974844580197496568713253884770683
100011111011010000010001110000000011001111111010000010110001101011010001111011010001110001010001110101111110111000011001010111011101110111011100101111001
263298998404531208572803753732712593661993750768737849812086598243185856471390524536592333340030184474105699835592263751592075339475731241
41080224157626611620045429398047515422604705522884502677430844736445033186083889743957203761