389198309568 has 28 divisors (see below), whose sum is σ = 1029753861240. Its totient is φ = 129732769792.

The previous prime is 389198309561. The next prime is 389198309629. The reversal of 389198309568 is 865903891983.

It is not an unprimeable number, because it can be changed into a prime (389198309561) 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 3 ways as a sum of consecutive naturals, for example, 1013537073 + ... + 1013537456.

Almost surely, 2^389198309568 is an apocalyptic number.

It is an amenable number.

389198309568 is an abundant number, since it is smaller than the sum of its proper divisors (640555551672).

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

389198309568 is a wasteful number, since it uses less digits than its factorization.

389198309568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027074544 (or 2027074534 counting only the distinct ones).

The product of its (nonzero) digits is 100776960, while the sum is 69.

The spelling of 389198309568 in words is "three hundred eighty-nine billion, one hundred ninety-eight million, three hundred nine thousand, five hundred sixty-eight".