18830864211 has 16 divisors (see below), whose sum is σ = 25892848800. Its totient is φ = 12165505280.

The previous prime is 18830864207. The next prime is 18830864233. The reversal of 18830864211 is 11246803881.

It is a cyclic number.

It is not a de Polignac number, because 18830864211 - 2² = 18830864207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18830864111) 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, 495420 + ... + 532073.

It is an arithmetic number, because the mean of its divisors is an integer number (1618303050).

Almost surely, 2^18830864211 is an apocalyptic number.

18830864211 is a deficient number, since it is larger than the sum of its proper divisors (7061984589).

18830864211 is a wasteful number, since it uses less digits than its factorization.

18830864211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027686.

The product of its (nonzero) digits is 73728, while the sum is 42.

The spelling of 18830864211 in words is "eighteen billion, eight hundred thirty million, eight hundred sixty-four thousand, two hundred eleven".