6911671776913 has 2 divisors, whose sum is σ = 6911671776914. Its totient is φ = 6911671776912.

The previous prime is 6911671776887. The next prime is 6911671776923. The reversal of 6911671776913 is 3196771761196.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6908339370384 + 3332406529 = 2628372^2 + 57727^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6911671776913 is a prime.

It is not a weakly prime, because it can be changed into another prime (6911671776923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3455835888456 + 3455835888457.

It is an arithmetic number, because the mean of its divisors is an integer number (3455835888457).

Almost surely, 2^{6911671776913} is an apocalyptic number.

It is an amenable number.

6911671776913 is a deficient number, since it is larger than the sum of its proper divisors (1).

6911671776913 is an equidigital number, since it uses as much as digits as its factorization.

6911671776913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18003384, while the sum is 64.

The spelling of 6911671776913 in words is "six trillion, nine hundred eleven billion, six hundred seventy-one million, seven hundred seventy-six thousand, nine hundred thirteen".