13144325813173 has 4 divisors (see below), whose sum is σ = 13917521449260. Its totient is φ = 12371130177088.

The previous prime is 13144325813159. The next prime is 13144325813183. The reversal of 13144325813173 is 37131852344131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11010836154564 + 2133489658609 = 3318258^2 + 1460647^2 .

It is a cyclic number.

It is not a de Polignac number, because 13144325813173 - 2²⁹ = 13143788942261 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 (13144325813153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386597818018 + ... + 386597818051.

It is an arithmetic number, because the mean of its divisors is an integer number (3479380362315).

Almost surely, 2^{13144325813173} is an apocalyptic number.

It is an amenable number.

13144325813173 is a deficient number, since it is larger than the sum of its proper divisors (773195636087).

13144325813173 is an equidigital number, since it uses as much as digits as its factorization.

13144325813173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773195636086.

The product of its digits is 725760, while the sum is 46.

The spelling of 13144325813173 in words is "thirteen trillion, one hundred forty-four billion, three hundred twenty-five million, eight hundred thirteen thousand, one hundred seventy-three".