2399385139 has 8 divisors (see below), whose sum is σ = 2571374880. Its totient is φ = 2233034496.

The previous prime is 2399385137. The next prime is 2399385169. The reversal of 2399385139 is 9315839932.

2399385139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2399385139 - 2¹ = 2399385137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2399385133) 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, 1408894 + ... + 1410595.

It is an arithmetic number, because the mean of its divisors is an integer number (321421860).

Almost surely, 2^2399385139 is an apocalyptic number.

2399385139 is a deficient number, since it is larger than the sum of its proper divisors (171989741).

2399385139 is a wasteful number, since it uses less digits than its factorization.

2399385139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819549.

The product of its digits is 1574640, while the sum is 52.

The square root of 2399385139 is about 48983.5190548821. The cubic root of 2399385139 is about 1338.7515547842.

The spelling of 2399385139 in words is "two billion, three hundred ninety-nine million, three hundred eighty-five thousand, one hundred thirty-nine".