18469930494231 has 12 divisors (see below), whose sum is σ = 26838541718352. Its totient is φ = 12239554737696.

The previous prime is 18469930494209. The next prime is 18469930494247. The reversal of 18469930494231 is 13249403996481.

18469930494231 is a `hidden beast` number, since 1 + 8 + 4 + 6 + 9 + 9 + 304 + 94 + 231 = 666.

It is not a de Polignac number, because 18469930494231 - 2⁶ = 18469930494167 is a prime.

It is a super-2 number, since 2×18469930494231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18469930494731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6144353286 + ... + 6144356291.

It is an arithmetic number, because the mean of its divisors is an integer number (2236545143196).

Almost surely, 2^{18469930494231} is an apocalyptic number.

18469930494231 is a deficient number, since it is larger than the sum of its proper divisors (8368611224121).

18469930494231 is a wasteful number, since it uses less digits than its factorization.

18469930494231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12288709750 (or 12288709747 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 63.

The spelling of 18469930494231 in words is "eighteen trillion, four hundred sixty-nine billion, nine hundred thirty million, four hundred ninety-four thousand, two hundred thirty-one".