18370405313 has 16 divisors (see below), whose sum is σ = 20440740096. Its totient is φ = 16402975680.

The previous prime is 18370405199. The next prime is 18370405349. The reversal of 18370405313 is 31350407381.

It is not a de Polignac number, because 18370405313 - 2¹⁴ = 18370388929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18370405363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138845 + ... + 236682.

It is an arithmetic number, because the mean of its divisors is an integer number (1277546256).

Almost surely, 2^18370405313 is an apocalyptic number.

18370405313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

18370405313 is a deficient number, since it is larger than the sum of its proper divisors (2070334783).

18370405313 is a wasteful number, since it uses less digits than its factorization.

18370405313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375664.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 18370405313 in words is "eighteen billion, three hundred seventy million, four hundred five thousand, three hundred thirteen".