6786951171697 has 2 divisors, whose sum is σ = 6786951171698. Its totient is φ = 6786951171696.

The previous prime is 6786951171617. The next prime is 6786951171731. The reversal of 6786951171697 is 7961711596876.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6162786390016 + 624164781681 = 2482496^2 + 790041^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6786951171697 is a prime.

It is not a weakly prime, because it can be changed into another prime (6786951171617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3393475585848 + 3393475585849.

It is an arithmetic number, because the mean of its divisors is an integer number (3393475585849).

Almost surely, 2^{6786951171697} is an apocalyptic number.

It is an amenable number.

6786951171697 is a deficient number, since it is larger than the sum of its proper divisors (1).

6786951171697 is an equidigital number, since it uses as much as digits as its factorization.

6786951171697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 240045120, while the sum is 73.

The spelling of 6786951171697 in words is "six trillion, seven hundred eighty-six billion, nine hundred fifty-one million, one hundred seventy-one thousand, six hundred ninety-seven".