389448739125 has 160 divisors (see below), whose sum is σ = 767241446400. Its totient is φ = 196151155200.

The previous prime is 389448739091. The next prime is 389448739153. The reversal of 389448739125 is 521937844983.

389448739125 is a `hidden beast` number, since 3 + 89 + 448 + 7 + 3 + 91 + 25 = 666.

It is not a de Polignac number, because 389448739125 - 2⁸ = 389448738869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 18386541 + ... + 18407709.

It is an arithmetic number, because the mean of its divisors is an integer number (4795259040).

Almost surely, 2^389448739125 is an apocalyptic number.

It is an amenable number.

389448739125 is a deficient number, since it is larger than the sum of its proper divisors (377792707275).

389448739125 is a wasteful number, since it uses less digits than its factorization.

389448739125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21298 (or 21279 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The spelling of 389448739125 in words is "three hundred eighty-nine billion, four hundred forty-eight million, seven hundred thirty-nine thousand, one hundred twenty-five".