13279441166669 has 2 divisors, whose sum is σ = 13279441166670. Its totient is φ = 13279441166668.

The previous prime is 13279441166653. The next prime is 13279441166837. The reversal of 13279441166669 is 96666114497231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9734637121444 + 3544804045225 = 3120038^2 + 1882765^2 .

It is a cyclic number.

It is not a de Polignac number, because 13279441166669 - 2⁴ = 13279441166653 is a prime.

It is a super-2 number, since 2×13279441166669² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13279441136669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6639720583334 + 6639720583335.

It is an arithmetic number, because the mean of its divisors is an integer number (6639720583335).

Almost surely, 2^{13279441166669} is an apocalyptic number.

It is an amenable number.

13279441166669 is a deficient number, since it is larger than the sum of its proper divisors (1).

13279441166669 is an equidigital number, since it uses as much as digits as its factorization.

13279441166669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70543872, while the sum is 65.

The spelling of 13279441166669 in words is "thirteen trillion, two hundred seventy-nine billion, four hundred forty-one million, one hundred sixty-six thousand, six hundred sixty-nine".