13320244441443 has 32 divisors (see below), whose sum is σ = 18039785932800. Its totient is φ = 8740647843840.

The previous prime is 13320244441403. The next prime is 13320244441459. The reversal of 13320244441443 is 34414444202331.

It is a happy number.

It is not a de Polignac number, because 13320244441443 - 2⁶ = 13320244441379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13320244441403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2448121603 + ... + 2448127043.

It is an arithmetic number, because the mean of its divisors is an integer number (563743310400).

Almost surely, 2^{13320244441443} is an apocalyptic number.

13320244441443 is a deficient number, since it is larger than the sum of its proper divisors (4719541491357).

13320244441443 is a wasteful number, since it uses less digits than its factorization.

13320244441443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12987.

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

Adding to 13320244441443 its reverse (34414444202331), we get a palindrome (47734688643774).

The spelling of 13320244441443 in words is "thirteen trillion, three hundred twenty billion, two hundred forty-four million, four hundred forty-one thousand, four hundred forty-three".