Perfect Square
999968000415997440006400 is a perfect square (999984000080 × 999984000080)
999968000415997440006400 is a perfect square (999984000080 × 999984000080)
999968000415997440006400 is even
Previous even number is 999968000415997440006398
Next even number is 999968000415997440006402
11010011 11000000 01011111 10111001 01110000 11010001 10101000 00100011 10011001 00000000
999904004319879682307807904075757048314290114396336946885427462144000000