13268673917 has 4 divisors (see below), whose sum is σ = 13550986176. Its totient is φ = 12986361660.

The previous prime is 13268673907. The next prime is 13268673973. The reversal of 13268673917 is 71937686231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71937686231 = 383 ⋅187826857.

It is a cyclic number.

It is not a de Polignac number, because 13268673917 - 2²⁶ = 13201565053 is a prime.

It is a super-2 number, since 2×13268673917² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13268673907) 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 in 3 ways as a sum of consecutive naturals, for example, 141156059 + ... + 141156152.

It is an arithmetic number, because the mean of its divisors is an integer number (3387746544).

Almost surely, 2^13268673917 is an apocalyptic number.

It is an amenable number.

13268673917 is a deficient number, since it is larger than the sum of its proper divisors (282312259).

13268673917 is an equidigital number, since it uses as much as digits as its factorization.

13268673917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282312258.

The product of its digits is 2286144, while the sum is 53.

The spelling of 13268673917 in words is "thirteen billion, two hundred sixty-eight million, six hundred seventy-three thousand, nine hundred seventeen".