18580468959 has 16 divisors (see below), whose sum is σ = 29644053600. Its totient is φ = 11434134528.

The previous prime is 18580468943. The next prime is 18580468967. The reversal of 18580468959 is 95986408581.

18580468959 is a `hidden beast` number, since 1 + 8 + 5 + 80 + 468 + 95 + 9 = 666.

It is not a de Polignac number, because 18580468959 - 2⁴ = 18580468943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18580468896 and 18580468905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18580468909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26467554 + ... + 26468255.

It is an arithmetic number, because the mean of its divisors is an integer number (1852753350).

Almost surely, 2^18580468959 is an apocalyptic number.

18580468959 is a deficient number, since it is larger than the sum of its proper divisors (11063584641).

18580468959 is a wasteful number, since it uses less digits than its factorization.

18580468959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52935831 (or 52935825 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 63.

The spelling of 18580468959 in words is "eighteen billion, five hundred eighty million, four hundred sixty-eight thousand, nine hundred fifty-nine".