18590001859 has 18 divisors (see below), whose sum is σ = 22126390188. Its totient is φ = 15599984400.

The previous prime is 18590001853. The next prime is 18590001877. The reversal of 18590001859 is 95810009581.

It is a de Polignac number, because none of the positive numbers 2^k-18590001859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18590001853) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 434097 + ... + 474994.

Almost surely, 2^18590001859 is an apocalyptic number.

18590001859 is a deficient number, since it is larger than the sum of its proper divisors (3536388329).

18590001859 is a wasteful number, since it uses less digits than its factorization.

18590001859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909139 (or 909115 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 46.

The spelling of 18590001859 in words is "eighteen billion, five hundred ninety million, one thousand, eight hundred fifty-nine".