Perfect Square
1152921513196781584 is a perfect square (1073741828 × 1073741828)
1152921513196781584 is a perfect square (1073741828 × 1073741828)
1152921513196781584 is even
Previous even number is 1152921513196781582
Next even number is 1152921513196781586
1000000000000000000000000001000000000000000000000000000010000