13298044321 has 4 divisors (see below), whose sum is σ = 13347479700. Its totient is φ = 13248608944.

The previous prime is 13298044307. The next prime is 13298044373. The reversal of 13298044321 is 12344089231.

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 2982798225 + 10315246096 = 54615^2 + 101564^2 .

It is a cyclic number.

It is not a de Polignac number, because 13298044321 - 2⁵ = 13298044289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13298044391) 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, 24717286 + ... + 24717823.

It is an arithmetic number, because the mean of its divisors is an integer number (3336869925).

Almost surely, 2^13298044321 is an apocalyptic number.

It is an amenable number.

13298044321 is a deficient number, since it is larger than the sum of its proper divisors (49435379).

13298044321 is an equidigital number, since it uses as much as digits as its factorization.

13298044321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49435378.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 13298044321 in words is "thirteen billion, two hundred ninety-eight million, forty-four thousand, three hundred twenty-one".