Perfect Square
6409390982475263689894873574436526807363573225 is a perfect square (80058672125356061827885 × 80058672125356061827885)
6409390982475263689894873574436526807363573225 is a perfect square (80058672125356061827885 × 80058672125356061827885)
6409390982475263689894873574436526807363573225 is odd
Previous odd number is 6409390982475263689894873574436526807363573223
Next odd number is 6409390982475263689894873574436526807363573227
100011111011010000011001100111010111100110111011010101011101000100110100010110000010001111010000001001010001011001100000101101111101011110101010111101001
263299658013351862755138781195106892271261325034256752988337378282028606460653258705352792552724956867231727182703792013797227131735765625
41080292766235225940394370006979651855186113215078128334965310282079946467172070639936900625