18630694083 has 16 divisors (see below), whose sum is σ = 25795249920. Its totient is φ = 11946558624.

The previous prime is 18630694079. The next prime is 18630694099. The reversal of 18630694083 is 38049603681.

It is not a de Polignac number, because 18630694083 - 2² = 18630694079 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18630694013) 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, 384241 + ... + 430002.

It is an arithmetic number, because the mean of its divisors is an integer number (1612203120).

Almost surely, 2^18630694083 is an apocalyptic number.

18630694083 is a deficient number, since it is larger than the sum of its proper divisors (7164555837).

18630694083 is a wasteful number, since it uses less digits than its factorization.

18630694083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814538.

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 18630694083 in words is "eighteen billion, six hundred thirty million, six hundred ninety-four thousand, eighty-three".