13320244144443 has 16 divisors (see below), whose sum is σ = 18221624096256. Its totient is φ = 8650182999360.

The previous prime is 13320244144439. The next prime is 13320244144469. The reversal of 13320244144443 is 34444144202331.

It is a happy number.

It is not a de Polignac number, because 13320244144443 - 2² = 13320244144439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13320244144423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83610271 + ... + 83769432.

It is an arithmetic number, because the mean of its divisors is an integer number (1138851506016).

Almost surely, 2^{13320244144443} is an apocalyptic number.

13320244144443 is a deficient number, since it is larger than the sum of its proper divisors (4901379951813).

13320244144443 is a wasteful number, since it uses less digits than its factorization.

13320244144443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167380394.

The product of its (nonzero) digits is 442368, while the sum is 39.

Adding to 13320244144443 its reverse (34444144202331), we get a palindrome (47764388346774).

The spelling of 13320244144443 in words is "thirteen trillion, three hundred twenty billion, two hundred forty-four million, one hundred forty-four thousand, four hundred forty-three".