13656348269779 has 2 divisors, whose sum is σ = 13656348269780. Its totient is φ = 13656348269778.

The previous prime is 13656348269761. The next prime is 13656348269813. The reversal of 13656348269779 is 97796284365631.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13656348269779 - 2⁵ = 13656348269747 is a prime.

It is not a weakly prime, because it can be changed into another prime (13656348269579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6828174134889 + 6828174134890.

It is an arithmetic number, because the mean of its divisors is an integer number (6828174134890).

Almost surely, 2^{13656348269779} is an apocalyptic number.

13656348269779 is a deficient number, since it is larger than the sum of its proper divisors (1).

13656348269779 is an equidigital number, since it uses as much as digits as its factorization.

13656348269779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2469035520, while the sum is 76.

The spelling of 13656348269779 in words is "thirteen trillion, six hundred fifty-six billion, three hundred forty-eight million, two hundred sixty-nine thousand, seven hundred seventy-nine".