389750791992 has 64 divisors (see below), whose sum is σ = 1031781849120. Its totient is φ = 122264260608.

The previous prime is 389750791981. The next prime is 389750792027. The reversal of 389750791992 is 299197057983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5701278 + ... + 5769234.

Almost surely, 2^389750791992 is an apocalyptic number.

It is an amenable number.

389750791992 is an abundant number, since it is smaller than the sum of its proper divisors (642031057128).

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

389750791992 is a wasteful number, since it uses less digits than its factorization.

389750791992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82040 (or 82036 counting only the distinct ones).

The product of its (nonzero) digits is 77157360, while the sum is 69.

The spelling of 389750791992 in words is "three hundred eighty-nine billion, seven hundred fifty million, seven hundred ninety-one thousand, nine hundred ninety-two".