13269719081 has 2 divisors, whose sum is σ = 13269719082. Its totient is φ = 13269719080.

The previous prime is 13269719069. The next prime is 13269719101. The reversal of 13269719081 is 18091796231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12967515625 + 302203456 = 113875^2 + 17384^2 .

It is an emirp because it is prime and its reverse (18091796231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13269719081 - 2²⁶ = 13202610217 is a prime.

It is a super-2 number, since 2×13269719081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13269716081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6634859540 + 6634859541.

It is an arithmetic number, because the mean of its divisors is an integer number (6634859541).

Almost surely, 2^13269719081 is an apocalyptic number.

It is an amenable number.

13269719081 is a deficient number, since it is larger than the sum of its proper divisors (1).

13269719081 is an equidigital number, since it uses as much as digits as its factorization.

13269719081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 47.

The spelling of 13269719081 in words is "thirteen billion, two hundred sixty-nine million, seven hundred nineteen thousand, eighty-one".