13375236185089 has 3 divisors (see below), whose sum is σ = 13375239842307. Its totient is φ = 13375232527872.

The previous prime is 13375236185071. The next prime is 13375236185093. The reversal of 13375236185089 is 98058163257331.

The square root of 13375236185089 is 3657217.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 3844481740225 + 9530754444864 = 1960735^2 + 3087192^2 .

It is not a de Polignac number, because 13375236185089 - 2¹⁵ = 13375236152321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13375236186089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1828609 + ... + 5485825.

It is an arithmetic number, because the mean of its divisors is an integer number (4458413280769).

Almost surely, 2^{13375236185089} is an apocalyptic number.

13375236185089 is the 3657217-th square number.

13375236185089 is the 1828609-th centered octagonal number.

It is an amenable number.

13375236185089 is a deficient number, since it is larger than the sum of its proper divisors (3657218).

13375236185089 is an frugal number, since it uses more digits than its factorization.

13375236185089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7314434 (or 3657217 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 61.

The spelling of 13375236185089 in words is "thirteen trillion, three hundred seventy-five billion, two hundred thirty-six million, one hundred eighty-five thousand, eighty-nine".