Perfect Square
1152921496016912400 is a perfect square (1073741820 × 1073741820)
1152921496016912400 is a perfect square (1073741820 × 1073741820)
1152921496016912400 is even
Previous even number is 1152921496016912398
Next even number is 1152921496016912402
1111 1111 1111 1111 1111 1111 1110 0000 0000 0000 0000 0000 0000 0001 0000