Perfect Square
18446744039349813264 is a perfect square (4294967292 × 4294967292)
18446744039349813264 is a perfect square (4294967292 × 4294967292)
18446744039349813264 is even
Previous even number is 18446744039349813262
Next even number is 18446744039349813266
11111111 11111111 11111111 11111000 00000000 00000000 00000000 00010000