6680981913583 has 2 divisors, whose sum is σ = 6680981913584. Its totient is φ = 6680981913582.

The previous prime is 6680981913527. The next prime is 6680981913601. The reversal of 6680981913583 is 3853191890866.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6680981913583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6680981913503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3340490956791 + 3340490956792.

It is an arithmetic number, because the mean of its divisors is an integer number (3340490956792).

Almost surely, 2^{6680981913583} is an apocalyptic number.

6680981913583 is a deficient number, since it is larger than the sum of its proper divisors (1).

6680981913583 is an equidigital number, since it uses as much as digits as its factorization.

6680981913583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67184640, while the sum is 67.

The spelling of 6680981913583 in words is "six trillion, six hundred eighty billion, nine hundred eighty-one million, nine hundred thirteen thousand, five hundred eighty-three".