389666589580 has 24 divisors (see below), whose sum is σ = 818449420320. Its totient is φ = 155838144000.

The previous prime is 389666589569. The next prime is 389666589583. The reversal of 389666589580 is 85985666983.

It is not an unprimeable number, because it can be changed into a prime (389666589583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1668421 + ... + 1887580.

It is an arithmetic number, because the mean of its divisors is an integer number (34102059180).

Almost surely, 2^389666589580 is an apocalyptic number.

It is an amenable number.

389666589580 is an abundant number, since it is smaller than the sum of its proper divisors (428782830740).

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

389666589580 is a wasteful number, since it uses less digits than its factorization.

389666589580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3561489 (or 3561487 counting only the distinct ones).

The product of its (nonzero) digits is 671846400, while the sum is 73.

The spelling of 389666589580 in words is "three hundred eighty-nine billion, six hundred sixty-six million, five hundred eighty-nine thousand, five hundred eighty".