18079408203 has 4 divisors (see below), whose sum is σ = 24105877608. Its totient is φ = 12052938800.

The previous prime is 18079408169. The next prime is 18079408213. The reversal of 18079408203 is 30280497081.

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

It is a cyclic number.

It is not a de Polignac number, because 18079408203 - 2⁸ = 18079407947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18079408213) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3013234698 + ... + 3013234703.

It is an arithmetic number, because the mean of its divisors is an integer number (6026469402).

Almost surely, 2^18079408203 is an apocalyptic number.

18079408203 is a deficient number, since it is larger than the sum of its proper divisors (6026469405).

18079408203 is an equidigital number, since it uses as much as digits as its factorization.

18079408203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6026469404.

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 18079408203 in words is "eighteen billion, seventy-nine million, four hundred eight thousand, two hundred three".