18814806284 has 12 divisors (see below), whose sum is σ = 32963037744. Its totient is φ = 9396795504.

The previous prime is 18814806271. The next prime is 18814806289. The reversal of 18814806284 is 48260841881.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (18814806289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2647919 + ... + 2655014.

It is an arithmetic number, because the mean of its divisors is an integer number (2746919812).

Almost surely, 2^18814806284 is an apocalyptic number.

It is an amenable number.

18814806284 is a deficient number, since it is larger than the sum of its proper divisors (14148231460).

18814806284 is a wasteful number, since it uses less digits than its factorization.

18814806284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5303824 (or 5303822 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 50.

The spelling of 18814806284 in words is "eighteen billion, eight hundred fourteen million, eight hundred six thousand, two hundred eighty-four".