6797919839 has 2 divisors, whose sum is σ = 6797919840. Its totient is φ = 6797919838.

The previous prime is 6797919787. The next prime is 6797919857. The reversal of 6797919839 is 9389197976.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6797919839 - 2²⁴ = 6781142623 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6797919889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3398959919 + 3398959920.

It is an arithmetic number, because the mean of its divisors is an integer number (3398959920).

Almost surely, 2^6797919839 is an apocalyptic number.

6797919839 is a deficient number, since it is larger than the sum of its proper divisors (1).

6797919839 is an equidigital number, since it uses as much as digits as its factorization.

6797919839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46294416, while the sum is 68.

The square root of 6797919839 is about 82449.4987189128. The cubic root of 6797919839 is about 1894.3432712930.

The spelling of 6797919839 in words is "six billion, seven hundred ninety-seven million, nine hundred nineteen thousand, eight hundred thirty-nine".