6680436299717 has 8 divisors (see below), whose sum is σ = 6719237690616. Its totient is φ = 6641684308672.

The previous prime is 6680436299609. The next prime is 6680436299731. The reversal of 6680436299717 is 7179926340866.

6680436299717 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 2584654²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 6545482195396 + 134954104321 = 2558414^2 + 367361^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6680436299717 - 2²⁴ = 6680419522501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6680436299777) 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, 12078698 + ... + 12619659.

It is an arithmetic number, because the mean of its divisors is an integer number (839904711327).

Almost surely, 2^{6680436299717} is an apocalyptic number.

It is an amenable number.

6680436299717 is a deficient number, since it is larger than the sum of its proper divisors (38801390899).

6680436299717 is a wasteful number, since it uses less digits than its factorization.

6680436299717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24699927.

The product of its (nonzero) digits is 164602368, while the sum is 68.

The spelling of 6680436299717 in words is "six trillion, six hundred eighty billion, four hundred thirty-six million, two hundred ninety-nine thousand, seven hundred seventeen".