389928797948 has 6 divisors (see below), whose sum is σ = 682375396416. Its totient is φ = 194964398972.

The previous prime is 389928797933. The next prime is 389928797981. The reversal of 389928797948 is 849797829983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48741099740 + ... + 48741099747.

It is an arithmetic number, because the mean of its divisors is an integer number (113729232736).

Almost surely, 2^389928797948 is an apocalyptic number.

It is an amenable number.

389928797948 is a deficient number, since it is larger than the sum of its proper divisors (292446598468).

389928797948 is a wasteful number, since it uses less digits than its factorization.

389928797948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97482199491 (or 97482199489 counting only the distinct ones).

The product of its digits is 3950456832, while the sum is 83.

The spelling of 389928797948 in words is "three hundred eighty-nine billion, nine hundred twenty-eight million, seven hundred ninety-seven thousand, nine hundred forty-eight".