389669015680 has 64 divisors (see below), whose sum is σ = 1064631430080. Its totient is φ = 133600803840.

The previous prime is 389669015591. The next prime is 389669015693. The reversal of 389669015680 is 86510966983.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43485366 + ... + 43494325.

It is an arithmetic number, because the mean of its divisors is an integer number (16634866095).

Almost surely, 2^389669015680 is an apocalyptic number.

It is an amenable number.

389669015680 is an abundant number, since it is smaller than the sum of its proper divisors (674962414400).

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

389669015680 is an equidigital number, since it uses as much as digits as its factorization.

389669015680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86979717 (or 86979705 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 61.

The spelling of 389669015680 in words is "three hundred eighty-nine billion, six hundred sixty-nine million, fifteen thousand, six hundred eighty".