6694839713 has 2 divisors, whose sum is σ = 6694839714. Its totient is φ = 6694839712.

The previous prime is 6694839643. The next prime is 6694839733. The reversal of 6694839713 is 3179384966.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6294359569 + 400480144 = 79337^2 + 20012^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6694839713 is a prime.

It is not a weakly prime, because it can be changed into another prime (6694839733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3347419856 + 3347419857.

It is an arithmetic number, because the mean of its divisors is an integer number (3347419857).

Almost surely, 2^6694839713 is an apocalyptic number.

It is an amenable number.

6694839713 is a deficient number, since it is larger than the sum of its proper divisors (1).

6694839713 is an equidigital number, since it uses as much as digits as its factorization.

6694839713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5878656, while the sum is 56.

The square root of 6694839713 is about 81822.0001772140. Note that the first 3 decimals coincide. The cubic root of 6694839713 is about 1884.7195170715.

The spelling of 6694839713 in words is "six billion, six hundred ninety-four million, eight hundred thirty-nine thousand, seven hundred thirteen".