6808043519993 has 2 divisors, whose sum is σ = 6808043519994. Its totient is φ = 6808043519992.

The previous prime is 6808043519951. The next prime is 6808043520023. The reversal of 6808043519993 is 3999153408086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5624619370384 + 1183424149609 = 2371628^2 + 1087853^2 .

It is a cyclic number.

It is not a de Polignac number, because 6808043519993 - 2⁸ = 6808043519737 is a prime.

It is not a weakly prime, because it can be changed into another prime (6808043510993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3404021759996 + 3404021759997.

It is an arithmetic number, because the mean of its divisors is an integer number (3404021759997).

Almost surely, 2^{6808043519993} is an apocalyptic number.

It is an amenable number.

6808043519993 is a deficient number, since it is larger than the sum of its proper divisors (1).

6808043519993 is an equidigital number, since it uses as much as digits as its factorization.

6808043519993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50388480, while the sum is 65.

The spelling of 6808043519993 in words is "six trillion, eight hundred eight billion, forty-three million, five hundred nineteen thousand, nine hundred ninety-three".