389547541728 has 36 divisors (see below), whose sum is σ = 1107775822608. Its totient is φ = 129849180480.

The previous prime is 389547541699. The next prime is 389547541741. The reversal of 389547541728 is 827145745983.

389547541728 is a `hidden beast` number, since 3 + 8 + 9 + 547 + 54 + 17 + 28 = 666.

389547541728 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 676297528 + ... + 676298103.

It is an arithmetic number, because the mean of its divisors is an integer number (30771550628).

Almost surely, 2^389547541728 is an apocalyptic number.

It is an amenable number.

389547541728 is an abundant number, since it is smaller than the sum of its proper divisors (718228280880).

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

389547541728 is a wasteful number, since it uses less digits than its factorization.

389547541728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352595647 (or 1352595636 counting only the distinct ones).

The product of its digits is 67737600, while the sum is 63.

The spelling of 389547541728 in words is "three hundred eighty-nine billion, five hundred forty-seven million, five hundred forty-one thousand, seven hundred twenty-eight".