6839128923 has 8 divisors (see below), whose sum is σ = 9947823936. Its totient is φ = 4144926600.

The previous prime is 6839128909. The next prime is 6839128927. The reversal of 6839128923 is 3298219386.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6839128923 - 2¹³ = 6839120731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6839128927) 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 7 ways as a sum of consecutive naturals, for example, 103623133 + ... + 103623198.

It is an arithmetic number, because the mean of its divisors is an integer number (1243477992).

Almost surely, 2^6839128923 is an apocalyptic number.

6839128923 is a deficient number, since it is larger than the sum of its proper divisors (3108695013).

6839128923 is a wasteful number, since it uses less digits than its factorization.

6839128923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207246345.

The product of its digits is 1119744, while the sum is 51.

The square root of 6839128923 is about 82699.0261309043. The cubic root of 6839128923 is about 1898.1634074500.

The spelling of 6839128923 in words is "six billion, eight hundred thirty-nine million, one hundred twenty-eight thousand, nine hundred twenty-three".