6839172043 has 12 divisors (see below), whose sum is σ = 7759939264. Its totient is φ = 6016863600.

The previous prime is 6839172031. The next prime is 6839172047. The reversal of 6839172043 is 3402719386.

It is not a de Polignac number, because 6839172043 - 2²¹ = 6837074891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6839172047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 907896 + ... + 915397.

Almost surely, 2^6839172043 is an apocalyptic number.

6839172043 is a deficient number, since it is larger than the sum of its proper divisors (920767221).

6839172043 is a wasteful number, since it uses less digits than its factorization.

6839172043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823346 (or 1823335 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 6839172043 is about 82699.2868348936. The cubic root of 6839172043 is about 1898.1673966829.

The spelling of 6839172043 in words is "six billion, eight hundred thirty-nine million, one hundred seventy-two thousand, forty-three".