18392275385 has 16 divisors (see below), whose sum is σ = 24094694592. Its totient is φ = 13366459200.

The previous prime is 18392275327. The next prime is 18392275393. The reversal of 18392275385 is 58357229381.

It is not a de Polignac number, because 18392275385 - 2¹⁴ = 18392259001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45119 + ... + 197028.

It is an arithmetic number, because the mean of its divisors is an integer number (1505918412).

Almost surely, 2^18392275385 is an apocalyptic number.

It is an amenable number.

18392275385 is a deficient number, since it is larger than the sum of its proper divisors (5702419207).

18392275385 is a wasteful number, since it uses less digits than its factorization.

18392275385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243544.

The product of its digits is 3628800, while the sum is 53.

The spelling of 18392275385 in words is "eighteen billion, three hundred ninety-two million, two hundred seventy-five thousand, three hundred eighty-five".