6839104840591 has 2 divisors, whose sum is σ = 6839104840592. Its totient is φ = 6839104840590.

The previous prime is 6839104840541. The next prime is 6839104840621. The reversal of 6839104840591 is 1950484019386.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6839104840591 - 2⁹ = 6839104840079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6839104840511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3419552420295 + 3419552420296.

It is an arithmetic number, because the mean of its divisors is an integer number (3419552420296).

Almost surely, 2^{6839104840591} is an apocalyptic number.

6839104840591 is a deficient number, since it is larger than the sum of its proper divisors (1).

6839104840591 is an equidigital number, since it uses as much as digits as its factorization.

6839104840591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7464960, while the sum is 58.

The spelling of 6839104840591 in words is "six trillion, eight hundred thirty-nine billion, one hundred four million, eight hundred forty thousand, five hundred ninety-one".