Perfect Square
4611685992657584164 is a perfect square (2147483642 × 2147483642)
4611685992657584164 is a perfect square (2147483642 × 2147483642)
4611685992657584164 is even
Previous even number is 4611685992657584162
Next even number is 4611685992657584166
11111111111111111111111111101000000000000000000000000000100100