97179494933 has 2 divisors, whose sum is σ = 97179494934. Its totient is φ = 97179494932.

The previous prime is 97179494851. The next prime is 97179494999. The reversal of 97179494933 is 33949497179.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52676217169 + 44503277764 = 229513^2 + 210958^2 .

It is a cyclic number.

It is not a de Polignac number, because 97179494933 - 2⁸ = 97179494677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97179494933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97179494833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48589747466 + 48589747467.

It is an arithmetic number, because the mean of its divisors is an integer number (48589747467).

Almost surely, 2^97179494933 is an apocalyptic number.

It is an amenable number.

97179494933 is a deficient number, since it is larger than the sum of its proper divisors (1).

97179494933 is an equidigital number, since it uses as much as digits as its factorization.

97179494933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46294416, while the sum is 65.

The spelling of 97179494933 in words is "ninety-seven billion, one hundred seventy-nine million, four hundred ninety-four thousand, nine hundred thirty-three".