2439738839 has 8 divisors (see below), whose sum is σ = 2492375808. Its totient is φ = 2387132280.

The previous prime is 2439738827. The next prime is 2439738853. The reversal of 2439738839 is 9388379342.

It is a happy number.

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 2439738839 - 2⁸ = 2439738583 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 (2439738239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240704 + ... + 250634.

It is an arithmetic number, because the mean of its divisors is an integer number (311546976).

Almost surely, 2^2439738839 is an apocalyptic number.

2439738839 is a deficient number, since it is larger than the sum of its proper divisors (52636969).

2439738839 is an equidigital number, since it uses as much as digits as its factorization.

2439738839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15205.

The product of its digits is 7838208, while the sum is 56.

The square root of 2439738839 is about 49393.7125452218. The cubic root of 2439738839 is about 1346.2150661249.

It can be divided in two parts, 24397 and 38839, that added together give a palindrome (63236).

The spelling of 2439738839 in words is "two billion, four hundred thirty-nine million, seven hundred thirty-eight thousand, eight hundred thirty-nine".