13045523089 has 3 divisors (see below), whose sum is σ = 13045637307. Its totient is φ = 13045408872.

The previous prime is 13045523083. The next prime is 13045523119. The reversal of 13045523089 is 98032554031.

The square root of 13045523089 is 114217.

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., 633780625 + 12411742464 = 25175^2 + 111408^2 .

It is not a de Polignac number, because 13045523089 - 2¹⁹ = 13044998801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13045523083) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 57109 + ... + 171325.

It is an arithmetic number, because the mean of its divisors is an integer number (4348545769).

Almost surely, 2^13045523089 is an apocalyptic number.

13045523089 is the 114217-th square number.

13045523089 is the 57109-th centered octagonal number.

It is an amenable number.

13045523089 is a deficient number, since it is larger than the sum of its proper divisors (114218).

13045523089 is an frugal number, since it uses more digits than its factorization.

13045523089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228434 (or 114217 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 13045523089 in words is "thirteen billion, forty-five million, five hundred twenty-three thousand, eighty-nine".