6680492238569 has 2 divisors, whose sum is σ = 6680492238570. Its totient is φ = 6680492238568.

The previous prime is 6680492238517. The next prime is 6680492238571. The reversal of 6680492238569 is 9658322940866.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6593827944025 + 86664294544 = 2567845^2 + 294388^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6680492238569 is a prime.

It is a super-2 number, since 2×6680492238569² (a number of 26 digits) contains 22 as substring.

Together with 6680492238571, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6680492238499 and 6680492238508.

It is not a weakly prime, because it can be changed into another prime (6680492238869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3340246119284 + 3340246119285.

It is an arithmetic number, because the mean of its divisors is an integer number (3340246119285).

Almost surely, 2^{6680492238569} is an apocalyptic number.

It is an amenable number.

6680492238569 is a deficient number, since it is larger than the sum of its proper divisors (1).

6680492238569 is an equidigital number, since it uses as much as digits as its factorization.

6680492238569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 268738560, while the sum is 68.

The spelling of 6680492238569 in words is "six trillion, six hundred eighty billion, four hundred ninety-two million, two hundred thirty-eight thousand, five hundred sixty-nine".