18468545774 has 32 divisors (see below), whose sum is σ = 32770699200. Its totient is φ = 7637817600.

The previous prime is 18468545747. The next prime is 18468545791. The reversal of 18468545774 is 47754586481.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 759842 + ... + 783770.

It is an arithmetic number, because the mean of its divisors is an integer number (1024084350).

Almost surely, 2^18468545774 is an apocalyptic number.

18468545774 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18468545774 is a deficient number, since it is larger than the sum of its proper divisors (14302153426).

18468545774 is a wasteful number, since it uses less digits than its factorization.

18468545774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25868.

The product of its digits is 30105600, while the sum is 59.

The spelling of 18468545774 in words is "eighteen billion, four hundred sixty-eight million, five hundred forty-five thousand, seven hundred seventy-four".