57130428645 has 24 divisors (see below), whose sum is σ = 101133017856. Its totient is φ = 29821272288.

The previous prime is 57130428637. The next prime is 57130428647. The reversal of 57130428645 is 54682403175.

57130428645 is a `hidden beast` number, since 57 + 130 + 428 + 6 + 45 = 666.

It is not a de Polignac number, because 57130428645 - 2³ = 57130428637 is a prime.

It is a super-2 number, since 2×57130428645² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 57130428645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57130428647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13503897 + ... + 13508126.

It is an arithmetic number, because the mean of its divisors is an integer number (4213875744).

Almost surely, 2^57130428645 is an apocalyptic number.

It is an amenable number.

57130428645 is a deficient number, since it is larger than the sum of its proper divisors (44002589211).

57130428645 is a wasteful number, since it uses less digits than its factorization.

57130428645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27012081 (or 27012078 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 57130428645 in words is "fifty-seven billion, one hundred thirty million, four hundred twenty-eight thousand, six hundred forty-five".