13691010000779 has 2 divisors, whose sum is σ = 13691010000780. Its totient is φ = 13691010000778.

The previous prime is 13691010000757. The next prime is 13691010000821. The reversal of 13691010000779 is 97700001019631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13691010000779 - 2⁸ = 13691010000523 is a prime.

It is not a weakly prime, because it can be changed into another prime (13691010005779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6845505000389 + 6845505000390.

It is an arithmetic number, because the mean of its divisors is an integer number (6845505000390).

Almost surely, 2^{13691010000779} is an apocalyptic number.

13691010000779 is a deficient number, since it is larger than the sum of its proper divisors (1).

13691010000779 is an equidigital number, since it uses as much as digits as its factorization.

13691010000779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71442, while the sum is 44.

The spelling of 13691010000779 in words is "thirteen trillion, six hundred ninety-one billion, ten million, seven hundred seventy-nine", and thus it is an aban number.