2389715128828 has 6 divisors (see below), whose sum is σ = 4182001475456. Its totient is φ = 1194857564412.

The previous prime is 2389715128813. The next prime is 2389715128837. The reversal of 2389715128828 is 8288215179832.

2389715128828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2389715128828.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 298714391100 + ... + 298714391107.

Almost surely, 2^{2389715128828} is an apocalyptic number.

It is an amenable number.

2389715128828 is a deficient number, since it is larger than the sum of its proper divisors (1792286346628).

2389715128828 is a wasteful number, since it uses less digits than its factorization.

2389715128828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597428782211 (or 597428782209 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 64.

The spelling of 2389715128828 in words is "two trillion, three hundred eighty-nine billion, seven hundred fifteen million, one hundred twenty-eight thousand, eight hundred twenty-eight".