389448739092 has 24 divisors (see below), whose sum is σ = 1038529971136. Its totient is φ = 111271068288.

The previous prime is 389448739091. The next prime is 389448739153. The reversal of 389448739092 is 290937844983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389448739091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2318147173 + ... + 2318147340.

Almost surely, 2^389448739092 is an apocalyptic number.

It is an amenable number.

389448739092 is an abundant number, since it is smaller than the sum of its proper divisors (649081232044).

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

389448739092 is a wasteful number, since it uses less digits than its factorization.

389448739092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4636294527 (or 4636294525 counting only the distinct ones).

The product of its (nonzero) digits is 94058496, while the sum is 66.

The spelling of 389448739092 in words is "three hundred eighty-nine billion, four hundred forty-eight million, seven hundred thirty-nine thousand, ninety-two".