Perfect Square
81683741123142958849 is a perfect square (9037905793 × 9037905793)
81683741123142958849 is a perfect square (9037905793 × 9037905793)
81683741123142958849 is odd
Previous odd number is 81683741123142958847
Next odd number is 81683741123142958851
1000110110110010110111100011100010111000001111001110011111100000001
545012999144517949682672035589555091885082589998543328034049