189094444855 has 16 divisors (see below), whose sum is σ = 228337381440. Its totient is φ = 150326710272.

The previous prime is 189094444843. The next prime is 189094444919. The reversal of 189094444855 is 558444490981.

It is a cyclic number.

It is not a de Polignac number, because 189094444855 - 2²⁵ = 189060890423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 189094444793 and 189094444802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3066487 + ... + 3127543.

It is an arithmetic number, because the mean of its divisors is an integer number (14271086340).

Almost surely, 2^189094444855 is an apocalyptic number.

189094444855 is a deficient number, since it is larger than the sum of its proper divisors (39242936585).

189094444855 is a wasteful number, since it uses less digits than its factorization.

189094444855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64938.

The product of its (nonzero) digits is 33177600, while the sum is 61.

The spelling of 189094444855 in words is "one hundred eighty-nine billion, ninety-four million, four hundred forty-four thousand, eight hundred fifty-five".