2839445339 has 4 divisors (see below), whose sum is σ = 2840800200. Its totient is φ = 2838090480.

The previous prime is 2839445333. The next prime is 2839445347. The reversal of 2839445339 is 9335449382.

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

It is a cyclic number.

It is not a de Polignac number, because 2839445339 - 2²⁰ = 2838396763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2839445333) 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, 674282 + ... + 678479.

It is an arithmetic number, because the mean of its divisors is an integer number (710200050).

Almost surely, 2^2839445339 is an apocalyptic number.

2839445339 is a deficient number, since it is larger than the sum of its proper divisors (1354861).

2839445339 is a wasteful number, since it uses less digits than its factorization.

2839445339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354860.

The product of its digits is 2799360, while the sum is 50.

The square root of 2839445339 is about 53286.4461096816. The cubic root of 2839445339 is about 1416.0475520209.

The spelling of 2839445339 in words is "two billion, eight hundred thirty-nine million, four hundred forty-five thousand, three hundred thirty-nine".