Perfect Square
6409390983925011788326342884860732343994140625 is a perfect square (80058672134410347015625 × 80058672134410347015625)
6409390983925011788326342884860732343994140625 is a perfect square (80058672134410347015625 × 80058672134410347015625)
6409390983925011788326342884860732343994140625 is odd
Previous odd number is 6409390983925011788326342884860732343994140623
Next odd number is 6409390983925011788326342884860732343994140627
100011111011010000011001100111100000010101010110011000101001100001101010011010001100001010001100111010101011010011110111011111111100001011100011111010001
263299658192020091758124658638822045549347113031227907007772597836143845766544822418462940968115723242209249557941802777349948883056640625
41080292784819230720390780303727869167703706244932096119832491029325772628843784332275390625