5706638839 has 4 divisors (see below), whose sum is σ = 6225424200. Its totient is φ = 5187853480.

The previous prime is 5706638807. The next prime is 5706638851. The reversal of 5706638839 is 9388366075.

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 5706638839 - 2⁵ = 5706638807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5706638839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5706638869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259392664 + ... + 259392685.

It is an arithmetic number, because the mean of its divisors is an integer number (1556356050).

Almost surely, 2^5706638839 is an apocalyptic number.

5706638839 is a deficient number, since it is larger than the sum of its proper divisors (518785361).

5706638839 is a wasteful number, since it uses less digits than its factorization.

5706638839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518785360.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The square root of 5706638839 is about 75542.2983433785. The cubic root of 5706638839 is about 1787.0092311644.

The spelling of 5706638839 in words is "five billion, seven hundred six million, six hundred thirty-eight thousand, eight hundred thirty-nine".