18330695963 has 16 divisors (see below), whose sum is σ = 19785295872. Its totient is φ = 16933224000.

The previous prime is 18330695953. The next prime is 18330695983. The reversal of 18330695963 is 36959603381.

It is a cyclic number.

It is not a de Polignac number, because 18330695963 - 2⁴ = 18330695947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18330695923) 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, 323903 + ... + 376263.

It is an arithmetic number, because the mean of its divisors is an integer number (1236580992).

Almost surely, 2^18330695963 is an apocalyptic number.

18330695963 is a deficient number, since it is larger than the sum of its proper divisors (1454599909).

18330695963 is a wasteful number, since it uses less digits than its factorization.

18330695963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52906.

The product of its (nonzero) digits is 3149280, while the sum is 53.

The spelling of 18330695963 in words is "eighteen billion, three hundred thirty million, six hundred ninety-five thousand, nine hundred sixty-three".