97633727129 has 2 divisors, whose sum is σ = 97633727130. Its totient is φ = 97633727128.

The previous prime is 97633727063. The next prime is 97633727183. The reversal of 97633727129 is 92172733679.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96053505625 + 1580221504 = 309925^2 + 39752^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97633727129 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (97633723129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48816863564 + 48816863565.

It is an arithmetic number, because the mean of its divisors is an integer number (48816863565).

Almost surely, 2^97633727129 is an apocalyptic number.

It is an amenable number.

97633727129 is a deficient number, since it is larger than the sum of its proper divisors (1).

97633727129 is an equidigital number, since it uses as much as digits as its factorization.

97633727129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6001128, while the sum is 56.

The spelling of 97633727129 in words is "ninety-seven billion, six hundred thirty-three million, seven hundred twenty-seven thousand, one hundred twenty-nine".