189464892822 has 24 divisors (see below), whose sum is σ = 410516781480. Its totient is φ = 63153500640.

The previous prime is 189464892803. The next prime is 189464892839. The reversal of 189464892822 is 228298464981.

189464892822 is a `hidden beast` number, since 1 + 8 + 9 + 464 + 8 + 92 + 82 + 2 = 666.

It is a super-2 number, since 2×189464892822² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 189464892822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 914197 + ... + 1102127.

It is an arithmetic number, because the mean of its divisors is an integer number (17104865895).

Almost surely, 2^189464892822 is an apocalyptic number.

189464892822 is an abundant number, since it is smaller than the sum of its proper divisors (221051888658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189464892822 is a wasteful number, since it uses less digits than its factorization.

189464892822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243948 (or 243945 counting only the distinct ones).

The product of its digits is 31850496, while the sum is 63.

The spelling of 189464892822 in words is "one hundred eighty-nine billion, four hundred sixty-four million, eight hundred ninety-two thousand, eight hundred twenty-two".