2399873389 has 4 divisors (see below), whose sum is σ = 2413132540. Its totient is φ = 2386614240.

The previous prime is 2399873353. The next prime is 2399873419. The reversal of 2399873389 is 9833789932.

2399873389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 809857764 + 1590015625 = 28458^2 + 39875^2 .

It is a cyclic number.

It is not a de Polignac number, because 2399873389 - 2²⁷ = 2265655661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2399871389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6629304 + ... + 6629665.

It is an arithmetic number, because the mean of its divisors is an integer number (603283135).

Almost surely, 2^2399873389 is an apocalyptic number.

It is an amenable number.

2399873389 is a deficient number, since it is larger than the sum of its proper divisors (13259151).

2399873389 is a wasteful number, since it uses less digits than its factorization.

2399873389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13259150.

The product of its digits is 17635968, while the sum is 61.

The square root of 2399873389 is about 48988.5026205129. The cubic root of 2399873389 is about 1338.8423559794.

The spelling of 2399873389 in words is "two billion, three hundred ninety-nine million, eight hundred seventy-three thousand, three hundred eighty-nine".