13043444444443 has 32 divisors (see below), whose sum is σ = 15285937766400. Its totient is φ = 10899941865120.

The previous prime is 13043444444423. The next prime is 13043444444449. The reversal of 13043444444443 is 34444444434031.

It is a de Polignac number, because none of the positive numbers 2^k-13043444444443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13043444444393 and 13043444444402.

It is not an unprimeable number, because it can be changed into a prime (13043444444449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15716646 + ... + 16525732.

It is an arithmetic number, because the mean of its divisors is an integer number (477685555200).

Almost surely, 2^{13043444444443} is an apocalyptic number.

13043444444443 is a deficient number, since it is larger than the sum of its proper divisors (2242493321957).

13043444444443 is a wasteful number, since it uses less digits than its factorization.

13043444444443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809527.

The product of its (nonzero) digits is 7077888, while the sum is 46.

Adding to 13043444444443 its reverse (34444444434031), we get a palindrome (47487888878474).

The spelling of 13043444444443 in words is "thirteen trillion, forty-three billion, four hundred forty-four million, four hundred forty-four thousand, four hundred forty-three".