Perfect Square
1208925819601435035172900 is a perfect square (1099511627770 × 1099511627770)
1208925819601435035172900 is a perfect square (1099511627770 × 1099511627770)
11111111 11111111 11111111 11111111 11110100 00000000 00000000 00000000 00000000 00100100
1208925819601435035172900 is even
Previous even number is 1208925819601435035172898
Next even number is 1208925819601435035172902
1766847064720534559990763061707560825814090265659433431986631793489000000