Perfect Square
27803563419873743911201 is a perfect square (166744005649 × 166744005649)
27803563419873743911201 is a perfect square (166744005649 × 166744005649)
27803563419873743911201 is odd
Previous odd number is 27803563419873743911199
Next odd number is 27803563419873743911203
101111000110011101111110100000101001100100001100011011100101011100100100001
21493214919300884696143919785903133977686977961278370698694616053601