6913680689 has 8 divisors (see below), whose sum is σ = 7297395840. Its totient is φ = 6531949296.

The previous prime is 6913680679. The next prime is 6913680733. The reversal of 6913680689 is 9860863196.

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 6913680689 - 2¹² = 6913676593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6913680619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488774 + ... + 502719.

It is an arithmetic number, because the mean of its divisors is an integer number (912174480).

Almost surely, 2^6913680689 is an apocalyptic number.

It is an amenable number.

6913680689 is a deficient number, since it is larger than the sum of its proper divisors (383715151).

6913680689 is a wasteful number, since it uses less digits than its factorization.

6913680689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991879.

The product of its (nonzero) digits is 3359232, while the sum is 56.

The square root of 6913680689 is about 83148.5459223431. The cubic root of 6913680689 is about 1905.0356438014.

The spelling of 6913680689 in words is "six billion, nine hundred thirteen million, six hundred eighty thousand, six hundred eighty-nine".