18676239914 has 4 divisors (see below), whose sum is σ = 28014359874. Its totient is φ = 9338119956.

The previous prime is 18676239871. The next prime is 18676239931. The reversal of 18676239914 is 41993267681.

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

It can be written as a sum of positive squares in only one way, i.e., 17924657689 + 751582225 = 133883^2 + 27415^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18676239914.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4669059977 + ... + 4669059980.

Almost surely, 2^18676239914 is an apocalyptic number.

18676239914 is a deficient number, since it is larger than the sum of its proper divisors (9338119960).

18676239914 is an equidigital number, since it uses as much as digits as its factorization.

18676239914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9338119959.

The product of its digits is 3919104, while the sum is 56.

The spelling of 18676239914 in words is "eighteen billion, six hundred seventy-six million, two hundred thirty-nine thousand, nine hundred fourteen".