389789755922 has 18 divisors (see below), whose sum is σ = 680154134247. Its totient is φ = 167050103724.

The previous prime is 389789755921. The next prime is 389789755933. The reversal of 389789755922 is 229557987983.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 194894877961 + 194894877961 = 441469^2 + 441469^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=441469.

It is a self number, because there is not a number n which added to its sum of digits gives 389789755922.

It is not an unprimeable number, because it can be changed into a prime (389789755921) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 6149033 + ... + 6212099.

Almost surely, 2^389789755922 is an apocalyptic number.

389789755922 is a deficient number, since it is larger than the sum of its proper divisors (290364378325).

389789755922 is an frugal number, since it uses more digits than its factorization.

389789755922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126150 (or 63076 counting only the distinct ones).

The product of its digits is 685843200, while the sum is 74.

The spelling of 389789755922 in words is "three hundred eighty-nine billion, seven hundred eighty-nine million, seven hundred fifty-five thousand, nine hundred twenty-two".