6820714839 has 4 divisors (see below), whose sum is σ = 9094286456. Its totient is φ = 4547143224.

The previous prime is 6820714819. The next prime is 6820714843. The reversal of 6820714839 is 9384170286.

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

It is not a de Polignac number, because 6820714839 - 2⁵ = 6820714807 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 (6820714819) 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 3 ways as a sum of consecutive naturals, for example, 1136785804 + ... + 1136785809.

It is an arithmetic number, because the mean of its divisors is an integer number (2273571614).

Almost surely, 2^6820714839 is an apocalyptic number.

6820714839 is a deficient number, since it is larger than the sum of its proper divisors (2273571617).

6820714839 is a wasteful number, since it uses less digits than its factorization.

6820714839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2273571616.

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 6820714839 is about 82587.6191629230. The cubic root of 6820714839 is about 1896.4582996000.

The spelling of 6820714839 in words is "six billion, eight hundred twenty million, seven hundred fourteen thousand, eight hundred thirty-nine".