389057819634 has 48 divisors (see below), whose sum is σ = 936942012864. Its totient is φ = 115671847200.

The previous prime is 389057819627. The next prime is 389057819651. The reversal of 389057819634 is 436918750983.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18526662 + ... + 18547649.

It is an arithmetic number, because the mean of its divisors is an integer number (19519625268).

Almost surely, 2^389057819634 is an apocalyptic number.

389057819634 is an abundant number, since it is smaller than the sum of its proper divisors (547884193230).

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

389057819634 is a wasteful number, since it uses less digits than its factorization.

389057819634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37074383 (or 37074380 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 389057819634 in words is "three hundred eighty-nine billion, fifty-seven million, eight hundred nineteen thousand, six hundred thirty-four".