18258395468 has 6 divisors (see below), whose sum is σ = 31952192076. Its totient is φ = 9129197732.

The previous prime is 18258395461. The next prime is 18258395489. The reversal of 18258395468 is 86459385281.

It is not an unprimeable number, because it can be changed into a prime (18258395461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2282299430 + ... + 2282299437.

It is an arithmetic number, because the mean of its divisors is an integer number (5325365346).

Almost surely, 2^18258395468 is an apocalyptic number.

It is an amenable number.

18258395468 is a deficient number, since it is larger than the sum of its proper divisors (13693796608).

18258395468 is a wasteful number, since it uses less digits than its factorization.

18258395468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4564598871 (or 4564598869 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 59.

The spelling of 18258395468 in words is "eighteen billion, two hundred fifty-eight million, three hundred ninety-five thousand, four hundred sixty-eight".