389969906922 has 32 divisors (see below), whose sum is σ = 867910916160. Its totient is φ = 129793300560.

The previous prime is 389969906891. The next prime is 389969906939. The reversal of 389969906922 is 229609969983.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5426988 + ... + 5498375.

It is an arithmetic number, because the mean of its divisors is an integer number (27122216130).

Almost surely, 2^389969906922 is an apocalyptic number.

389969906922 is an abundant number, since it is smaller than the sum of its proper divisors (477941009238).

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

389969906922 is a wasteful number, since it uses less digits than its factorization.

389969906922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10926035 (or 10926029 counting only the distinct ones).

The product of its (nonzero) digits is 204073344, while the sum is 72.

The spelling of 389969906922 in words is "three hundred eighty-nine billion, nine hundred sixty-nine million, nine hundred six thousand, nine hundred twenty-two".