869742182932 has 36 divisors (see below), whose sum is σ = 1770724556244. Its totient is φ = 372709182720.

The previous prime is 869742182921. The next prime is 869742182941. The reversal of 869742182932 is 239281247968.

It can be written as a sum of positive squares in 2 ways, for example, as 184896560016 + 684845622916 = 429996^2 + 827554^2 .

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1777548 + ... + 2213404.

It is an arithmetic number, because the mean of its divisors is an integer number (49186793229).

Almost surely, 2^869742182932 is an apocalyptic number.

It is an amenable number.

869742182932 is an abundant number, since it is smaller than the sum of its proper divisors (900982373312).

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

869742182932 is a wasteful number, since it uses less digits than its factorization.

869742182932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446056 (or 446047 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 61.

The spelling of 869742182932 in words is "eight hundred sixty-nine billion, seven hundred forty-two million, one hundred eighty-two thousand, nine hundred thirty-two".