57390393667 has 2 divisors, whose sum is σ = 57390393668. Its totient is φ = 57390393666.

The previous prime is 57390393607. The next prime is 57390393673. The reversal of 57390393667 is 76639309375.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57390393667 is a prime.

It is not a weakly prime, because it can be changed into another prime (57390393607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28695196833 + 28695196834.

It is an arithmetic number, because the mean of its divisors is an integer number (28695196834).

Almost surely, 2^57390393667 is an apocalyptic number.

57390393667 is a deficient number, since it is larger than the sum of its proper divisors (1).

57390393667 is an equidigital number, since it uses as much as digits as its factorization.

57390393667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19289340, while the sum is 58.

The spelling of 57390393667 in words is "fifty-seven billion, three hundred ninety million, three hundred ninety-three thousand, six hundred sixty-seven".