6685715717359 has 16 divisors (see below), whose sum is σ = 7643990704896. Its totient is φ = 5728234449600.

The previous prime is 6685715717353. The next prime is 6685715717383. The reversal of 6685715717359 is 9537175175866.

It is a cyclic number.

It is not a de Polignac number, because 6685715717359 - 2¹⁵ = 6685715684591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6685715717353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199277224 + ... + 199310770.

It is an arithmetic number, because the mean of its divisors is an integer number (477749419056).

Almost surely, 2^{6685715717359} is an apocalyptic number.

6685715717359 is a deficient number, since it is larger than the sum of its proper divisors (958274987537).

6685715717359 is a wasteful number, since it uses less digits than its factorization.

6685715717359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44526.

The product of its digits is 333396000, while the sum is 70.

The spelling of 6685715717359 in words is "six trillion, six hundred eighty-five billion, seven hundred fifteen million, seven hundred seventeen thousand, three hundred fifty-nine".