Perfect Square
40019975978729415769 is a perfect square (6326134363 × 6326134363)
40019975978729415769 is a perfect square (6326134363 × 6326134363)
40019975978729415769 is odd
Previous odd number is 40019975978729415767
Next odd number is 40019975978729415771
100010101101100011100001000001111000100011110101010010010001011001