13575213173 has 4 divisors (see below), whose sum is σ = 13575495360. Its totient is φ = 13574930988.

The previous prime is 13575213149. The next prime is 13575213187. The reversal of 13575213173 is 37131257531.

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.

It is a cyclic number.

It is not a de Polignac number, because 13575213173 - 2¹⁰ = 13575212149 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 (13575213973) 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, 48815 + ... + 171852.

It is an arithmetic number, because the mean of its divisors is an integer number (3393873840).

Almost surely, 2^13575213173 is an apocalyptic number.

It is an amenable number.

13575213173 is a deficient number, since it is larger than the sum of its proper divisors (282187).

13575213173 is an equidigital number, since it uses as much as digits as its factorization.

13575213173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282186.

The product of its digits is 66150, while the sum is 38.

The spelling of 13575213173 in words is "thirteen billion, five hundred seventy-five million, two hundred thirteen thousand, one hundred seventy-three".