Perfect Square
1000000004000000004 is a perfect square (1000000002 × 1000000002)
1000000004000000004 is a perfect square (1000000002 × 1000000002)
1000000004000000004 is even
Previous even number is 1000000004000000002
Next even number is 1000000004000000006
1101 1110 0000 1011 0110 1011 0100 1001 0101 1100 1111 0010 1000 0000 0100