57109696162979 has 2 divisors, whose sum is σ = 57109696162980. Its totient is φ = 57109696162978.

The previous prime is 57109696162957. The next prime is 57109696163021. The reversal of 57109696162979 is 97926169690175.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57109696162979 is a prime.

It is not a weakly prime, because it can be changed into another prime (57109696161979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28554848081489 + 28554848081490.

It is an arithmetic number, because the mean of its divisors is an integer number (28554848081490).

Almost surely, 2^{57109696162979} is an apocalyptic number.

57109696162979 is a deficient number, since it is larger than the sum of its proper divisors (1).

57109696162979 is an equidigital number, since it uses as much as digits as its factorization.

57109696162979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 694416240, while the sum is 77.

The spelling of 57109696162979 in words is "fifty-seven trillion, one hundred nine billion, six hundred ninety-six million, one hundred sixty-two thousand, nine hundred seventy-nine".