6839364539 has 4 divisors (see below), whose sum is σ = 7816416624. Its totient is φ = 5862312456.

The previous prime is 6839364533. The next prime is 6839364541. The reversal of 6839364539 is 9354639386.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9354639386 = 2 ⋅4677319693.

It is not a de Polignac number, because 6839364539 - 2⁴ = 6839364523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6839364533) 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, 488526032 + ... + 488526045.

It is an arithmetic number, because the mean of its divisors is an integer number (1954104156).

Almost surely, 2^6839364539 is an apocalyptic number.

6839364539 is a deficient number, since it is larger than the sum of its proper divisors (977052085).

6839364539 is an equidigital number, since it uses as much as digits as its factorization.

6839364539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977052084.

The product of its digits is 12597120, while the sum is 56.

The square root of 6839364539 is about 82700.4506577806. The cubic root of 6839364539 is about 1898.1852051837.

The spelling of 6839364539 in words is "six billion, eight hundred thirty-nine million, three hundred sixty-four thousand, five hundred thirty-nine".