18414566934905 has 4 divisors (see below), whose sum is σ = 22097480321892. Its totient is φ = 14731653547920.

The previous prime is 18414566934899. The next prime is 18414566934943. The reversal of 18414566934905 is 50943966541481.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4365241347856 + 14049325587049 = 2089316^2 + 3748243^2 .

It is not a de Polignac number, because 18414566934905 - 2²⁸ = 18414298499449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1841456693486 + ... + 1841456693495.

It is an arithmetic number, because the mean of its divisors is an integer number (5524370080473).

Almost surely, 2^{18414566934905} is an apocalyptic number.

It is an amenable number.

18414566934905 is a deficient number, since it is larger than the sum of its proper divisors (3682913386987).

18414566934905 is an equidigital number, since it uses as much as digits as its factorization.

18414566934905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3682913386986.

The product of its (nonzero) digits is 111974400, while the sum is 65.

The spelling of 18414566934905 in words is "eighteen trillion, four hundred fourteen billion, five hundred sixty-six million, nine hundred thirty-four thousand, nine hundred five".