Perfect Square
63897826971207373225 is a perfect square (7993611635 × 7993611635)
63897826971207373225 is a perfect square (7993611635 × 7993611635)
63897826971207373225 is odd
Previous odd number is 63897826971207373223
Next odd number is 63897826971207373227
110111011011000010101011110001010111001010001100001001000110101001
260890501106518491526804698975946311707011954709998860765625