18575902859 has 4 divisors (see below), whose sum is σ = 18576363120. Its totient is φ = 18575442600.

The previous prime is 18575902727. The next prime is 18575902901. The reversal of 18575902859 is 95820957581.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18575902859 - 2⁸ = 18575902603 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18575902798 and 18575902807.

It is not an unprimeable number, because it can be changed into a prime (18575901859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163079 + ... + 252480.

It is an arithmetic number, because the mean of its divisors is an integer number (4644090780).

Almost surely, 2^18575902859 is an apocalyptic number.

18575902859 is a deficient number, since it is larger than the sum of its proper divisors (460261).

18575902859 is an equidigital number, since it uses as much as digits as its factorization.

18575902859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460260.

The product of its (nonzero) digits is 9072000, while the sum is 59.

The spelling of 18575902859 in words is "eighteen billion, five hundred seventy-five million, nine hundred two thousand, eight hundred fifty-nine".