389089484531 has 4 divisors (see below), whose sum is σ = 424461255864. Its totient is φ = 353717713200.

The previous prime is 389089484527. The next prime is 389089484543. The reversal of 389089484531 is 135484980983.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 389089484531 - 2² = 389089484527 is a prime.

It is a super-2 number, since 2×389089484531² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389089484521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17685885650 + ... + 17685885671.

It is an arithmetic number, because the mean of its divisors is an integer number (106115313966).

Almost surely, 2^389089484531 is an apocalyptic number.

389089484531 is a deficient number, since it is larger than the sum of its proper divisors (35371771333).

389089484531 is a wasteful number, since it uses less digits than its factorization.

389089484531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35371771332.

The product of its (nonzero) digits is 29859840, while the sum is 62.

The spelling of 389089484531 in words is "three hundred eighty-nine billion, eighty-nine million, four hundred eighty-four thousand, five hundred thirty-one".