18714942867 has 18 divisors (see below), whose sum is σ = 26342045868. Its totient is φ = 11817120528.

The previous prime is 18714942833. The next prime is 18714942871. The reversal of 18714942867 is 76824941781.

It is not a de Polignac number, because 18714942867 - 2⁶ = 18714942803 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (18714942667) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4499953 + ... + 4504109.

Almost surely, 2^18714942867 is an apocalyptic number.

18714942867 is a deficient number, since it is larger than the sum of its proper divisors (7627103001).

18714942867 is an frugal number, since it uses more digits than its factorization.

18714942867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8355 (or 4179 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 57.

The spelling of 18714942867 in words is "eighteen billion, seven hundred fourteen million, nine hundred forty-two thousand, eight hundred sixty-seven".