Perfect Square
6409390983925011788324741711418044137053828225 is a perfect square (80058672134410347015615 × 80058672134410347015615)
6409390983925011788324741711418044137053828225 is a perfect square (80058672134410347015615 × 80058672134410347015615)
6409390983925011788324741711418044137053828225 is odd
Previous odd number is 6409390983925011788324741711418044137053828223
Next odd number is 6409390983925011788324741711418044137053828227
100011111011010000011001100111100000010101010110011000101001100001101001101111110011101010101000010001101011100010111110101110001011000110011010010000001
263299658192020091757927328617347320002532347577647656531147456117526068252032034668590197456995999149816522095300452906253215771338890625
41080292784819230720370255210473337237397072846384668005159750854298265866735631127806650625