Perfect Square
2161949943964970240744604561 is a perfect square (46496773479081 × 46496773479081)
2161949943964970240744604561 is a perfect square (46496773479081 × 46496773479081)
2161949943964970240744604561 is odd
Previous odd number is 2161949943964970240744604559
Next odd number is 2161949943964970240744604563
1101111110001010010101101010100110101110110010100111000011000110011111000111100001110010001
10105013621887034339055732372619299689545766224936643544297840973528734613051010481