18464727675 has 48 divisors (see below), whose sum is σ = 30995793920. Its totient is φ = 9697501440.

The previous prime is 18464727647. The next prime is 18464727781. The reversal of 18464727675 is 57672746481.

It is not a de Polignac number, because 18464727675 - 2⁹ = 18464727163 is a prime.

It is a super-2 number, since 2×18464727675² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3978006 + ... + 3982644.

Almost surely, 2^18464727675 is an apocalyptic number.

18464727675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18464727675 is a deficient number, since it is larger than the sum of its proper divisors (12531066245).

18464727675 is a wasteful number, since it uses less digits than its factorization.

18464727675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5452 (or 5447 counting only the distinct ones).

The product of its digits is 15805440, while the sum is 57.

The spelling of 18464727675 in words is "eighteen billion, four hundred sixty-four million, seven hundred twenty-seven thousand, six hundred seventy-five".