6981758725759 has 2 divisors, whose sum is σ = 6981758725760. Its totient is φ = 6981758725758.

The previous prime is 6981758725729. The next prime is 6981758725769. The reversal of 6981758725759 is 9575278571896.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6981758725759 - 2⁵ = 6981758725727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6981758725729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3490879362879 + 3490879362880.

It is an arithmetic number, because the mean of its divisors is an integer number (3490879362880).

Almost surely, 2^{6981758725759} is an apocalyptic number.

6981758725759 is a deficient number, since it is larger than the sum of its proper divisors (1).

6981758725759 is an equidigital number, since it uses as much as digits as its factorization.

6981758725759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2667168000, while the sum is 79.

The spelling of 6981758725759 in words is "six trillion, nine hundred eighty-one billion, seven hundred fifty-eight million, seven hundred twenty-five thousand, seven hundred fifty-nine".