18392892113 has 4 divisors (see below), whose sum is σ = 18462827328. Its totient is φ = 18322956900.

The previous prime is 18392892109. The next prime is 18392892137. The reversal of 18392892113 is 31129829381.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31129829381 = 7 ⋅4447118483.

It is a cyclic number.

It is not a de Polignac number, because 18392892113 - 2² = 18392892109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18392892173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34967213 + ... + 34967738.

It is an arithmetic number, because the mean of its divisors is an integer number (4615706832).

Almost surely, 2^18392892113 is an apocalyptic number.

It is an amenable number.

18392892113 is a deficient number, since it is larger than the sum of its proper divisors (69935215).

18392892113 is an equidigital number, since it uses as much as digits as its factorization.

18392892113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69935214.

The product of its digits is 186624, while the sum is 47.

The spelling of 18392892113 in words is "eighteen billion, three hundred ninety-two million, eight hundred ninety-two thousand, one hundred thirteen".