Perfect Square
81537712090422406681041 is a perfect square (285548090679 × 285548090679)
81537712090422406681041 is a perfect square (285548090679 × 285548090679)
81537712090422406681041 is odd
Previous odd number is 81537712090422406681039
Next odd number is 81537712090422406681043
10001010001000010101100010001000101001110110011110100111001100001000111010001
542095202179790198647008732662102423149986211727566673592036495351921