2389975992 has 48 divisors (see below), whose sum is σ = 6476829840. Its totient is φ = 796169088.

The previous prime is 2389975949. The next prime is 2389975997. The reversal of 2389975992 is 2995799832.

2389975992 is a `hidden beast` number, since 2 + 38 + 9 + 9 + 7 + 599 + 2 = 666.

Its product of digits (22044960) is a multiple of the sum of its prime factors (20412).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2389975997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119068 + ... + 137684.

It is an arithmetic number, because the mean of its divisors is an integer number (134933955).

Almost surely, 2^2389975992 is an apocalyptic number.

It is an amenable number.

2389975992 is an abundant number, since it is smaller than the sum of its proper divisors (4086853848).

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

2389975992 is a wasteful number, since it uses less digits than its factorization.

2389975992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20412 (or 20405 counting only the distinct ones).

The product of its digits is 22044960, while the sum is 63.

The square root of 2389975992 is about 48887.3807029994. The cubic root of 2389975992 is about 1336.9992986747. Note that the first 3 decimals are identical.

The spelling of 2389975992 in words is "two billion, three hundred eighty-nine million, nine hundred seventy-five thousand, nine hundred ninety-two".