6428597913 has 32 divisors (see below), whose sum is σ = 9786470400. Its totient is φ = 4168678608.

The previous prime is 6428597873. The next prime is 6428597927. The reversal of 6428597913 is 3197958246.

6428597913 is a `hidden beast` number, since 6 + 42 + 8 + 597 + 9 + 1 + 3 = 666.

It is not a de Polignac number, because 6428597913 - 2¹⁶ = 6428532377 is a prime.

It is a super-2 number, since 2×6428597913² = 82653742254055911138, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6428597913.

It is not an unprimeable number, because it can be changed into a prime (6428597713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191308 + ... + 222386.

It is an arithmetic number, because the mean of its divisors is an integer number (305827200).

Almost surely, 2^6428597913 is an apocalyptic number.

It is an amenable number.

6428597913 is a deficient number, since it is larger than the sum of its proper divisors (3357872487).

6428597913 is a wasteful number, since it uses less digits than its factorization.

6428597913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31298 (or 31292 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 6428597913 is about 80178.5377329869. The cubic root of 6428597913 is about 1859.3968361640.

The spelling of 6428597913 in words is "six billion, four hundred twenty-eight million, five hundred ninety-seven thousand, nine hundred thirteen".