18770244411 has 16 divisors (see below), whose sum is σ = 25749628704. Its totient is φ = 12153394944.

The previous prime is 18770244407. The next prime is 18770244413. The reversal of 18770244411 is 11444207781.

It is not a de Polignac number, because 18770244411 - 2² = 18770244407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18770244411.

It is not an unprimeable number, because it can be changed into a prime (18770244413) 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, 89970 + ... + 213623.

It is an arithmetic number, because the mean of its divisors is an integer number (1609351794).

Almost surely, 2^18770244411 is an apocalyptic number.

18770244411 is a deficient number, since it is larger than the sum of its proper divisors (6979384293).

18770244411 is a wasteful number, since it uses less digits than its factorization.

18770244411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304190.

The product of its (nonzero) digits is 50176, while the sum is 39.

The spelling of 18770244411 in words is "eighteen billion, seven hundred seventy million, two hundred forty-four thousand, four hundred eleven".