13668875173 has 4 divisors (see below), whose sum is σ = 13669282080. Its totient is φ = 13668468268.

The previous prime is 13668875123. The next prime is 13668875243. The reversal of 13668875173 is 37157886631.

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: 37157886631 = 239 ⋅155472329.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13668875173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13668875123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148033 + ... + 221926.

It is an arithmetic number, because the mean of its divisors is an integer number (3417320520).

Almost surely, 2^13668875173 is an apocalyptic number.

It is an amenable number.

13668875173 is a deficient number, since it is larger than the sum of its proper divisors (406907).

13668875173 is an equidigital number, since it uses as much as digits as its factorization.

13668875173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406906.

The product of its digits is 5080320, while the sum is 55.

The spelling of 13668875173 in words is "thirteen billion, six hundred sixty-eight million, eight hundred seventy-five thousand, one hundred seventy-three".