6697751367679 has 4 divisors (see below), whose sum is σ = 6731750105784. Its totient is φ = 6663752629576.

The previous prime is 6697751367613. The next prime is 6697751367683. The reversal of 6697751367679 is 9767631577966.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6697751367679 - 2⁷ = 6697751367551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6697751367599 and 6697751367608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6697751967679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16999368757 + ... + 16999369150.

It is an arithmetic number, because the mean of its divisors is an integer number (1682937526446).

Almost surely, 2^{6697751367679} is an apocalyptic number.

6697751367679 is a deficient number, since it is larger than the sum of its proper divisors (33998738105).

6697751367679 is a wasteful number, since it uses less digits than its factorization.

6697751367679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33998738104.

The product of its digits is 3780710640, while the sum is 79.

The spelling of 6697751367679 in words is "six trillion, six hundred ninety-seven billion, seven hundred fifty-one million, three hundred sixty-seven thousand, six hundred seventy-nine".