57628125613 has 2 divisors, whose sum is σ = 57628125614. Its totient is φ = 57628125612.

The previous prime is 57628125589. The next prime is 57628125619. The reversal of 57628125613 is 31652182675.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48506538564 + 9121587049 = 220242^2 + 95507^2 .

It is a cyclic number.

It is not a de Polignac number, because 57628125613 - 2⁹ = 57628125101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57628125619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28814062806 + 28814062807.

It is an arithmetic number, because the mean of its divisors is an integer number (28814062807).

Almost surely, 2^57628125613 is an apocalyptic number.

It is an amenable number.

57628125613 is a deficient number, since it is larger than the sum of its proper divisors (1).

57628125613 is an equidigital number, since it uses as much as digits as its factorization.

57628125613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 46.

The spelling of 57628125613 in words is "fifty-seven billion, six hundred twenty-eight million, one hundred twenty-five thousand, six hundred thirteen".