389108688468 has 12 divisors (see below), whose sum is σ = 907920273120. Its totient is φ = 129702896152.

The previous prime is 389108688431. The next prime is 389108688491. The reversal of 389108688468 is 864886801983.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16212862008 + ... + 16212862031.

It is an arithmetic number, because the mean of its divisors is an integer number (75660022760).

Almost surely, 2^389108688468 is an apocalyptic number.

It is an amenable number.

389108688468 is an abundant number, since it is smaller than the sum of its proper divisors (518811584652).

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

389108688468 is a wasteful number, since it uses less digits than its factorization.

389108688468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32425724046 (or 32425724044 counting only the distinct ones).

The product of its (nonzero) digits is 127401984, while the sum is 69.

The spelling of 389108688468 in words is "three hundred eighty-nine billion, one hundred eight million, six hundred eighty-eight thousand, four hundred sixty-eight".