13128844573 has 8 divisors (see below), whose sum is σ = 14181475616. Its totient is φ = 12082316400.

The previous prime is 13128844549. The next prime is 13128844577. The reversal of 13128844573 is 37544882131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13128844573 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 (13128844577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1521243 + ... + 1529848.

It is an arithmetic number, because the mean of its divisors is an integer number (1772684452).

Almost surely, 2^13128844573 is an apocalyptic number.

13128844573 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13128844573 is a deficient number, since it is larger than the sum of its proper divisors (1052631043).

13128844573 is a wasteful number, since it uses less digits than its factorization.

13128844573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3051435.

The product of its digits is 645120, while the sum is 46.

The spelling of 13128844573 in words is "thirteen billion, one hundred twenty-eight million, eight hundred forty-four thousand, five hundred seventy-three".