Perfect Square
1152921521786716224 is a perfect square (1073741832 × 1073741832)
1152921521786716224 is a perfect square (1073741832 × 1073741832)
1152921521786716224 is even
Previous even number is 1152921521786716222
Next even number is 1152921521786716226
1000000000000000000000000010000000000000000000000000001000000