389052920069 has 12 divisors (see below), whose sum is σ = 430713222240. Its totient is φ = 351139965000.

The previous prime is 389052920059. The next prime is 389052920083. The reversal of 389052920069 is 960029250983.

It is not a de Polignac number, because 389052920069 - 2²⁴ = 389036142853 is a prime.

It is a super-2 number, since 2×389052920069² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 389052920069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389052920059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11549057 + ... + 11582694.

It is an arithmetic number, because the mean of its divisors is an integer number (35892768520).

Almost surely, 2^389052920069 is an apocalyptic number.

It is an amenable number.

389052920069 is a deficient number, since it is larger than the sum of its proper divisors (41660302171).

389052920069 is a wasteful number, since it uses less digits than its factorization.

389052920069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23131912 (or 23131901 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 53.

The spelling of 389052920069 in words is "three hundred eighty-nine billion, fifty-two million, nine hundred twenty thousand, sixty-nine".