18676934435 has 4 divisors (see below), whose sum is σ = 22412321328. Its totient is φ = 14941547544.

The previous prime is 18676934377. The next prime is 18676934453. The reversal of 18676934435 is 53443967681.

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 18676934435 - 2⁶ = 18676934371 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1867693439 + ... + 1867693448.

It is an arithmetic number, because the mean of its divisors is an integer number (5603080332).

Almost surely, 2^18676934435 is an apocalyptic number.

18676934435 is a deficient number, since it is larger than the sum of its proper divisors (3735386893).

18676934435 is an equidigital number, since it uses as much as digits as its factorization.

18676934435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3735386892.

The product of its digits is 13063680, while the sum is 56.

The spelling of 18676934435 in words is "eighteen billion, six hundred seventy-six million, nine hundred thirty-four thousand, four hundred thirty-five".