13144144443 has 16 divisors (see below), whose sum is σ = 18314346240. Its totient is φ = 8369471264.

The previous prime is 13144144441. The next prime is 13144144457. The reversal of 13144144443 is 34444144131.

It is a cyclic number.

It is not a de Polignac number, because 13144144443 - 2¹ = 13144144441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13144144441) 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, 92328 + ... + 186581.

It is an arithmetic number, because the mean of its divisors is an integer number (1144646640).

Almost surely, 2^13144144443 is an apocalyptic number.

13144144443 is a deficient number, since it is larger than the sum of its proper divisors (5170201797).

13144144443 is a wasteful number, since it uses less digits than its factorization.

13144144443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279618.

The product of its digits is 36864, while the sum is 33.

Adding to 13144144443 its reverse (34444144131), we get a palindrome (47588288574).

The spelling of 13144144443 in words is "thirteen billion, one hundred forty-four million, one hundred forty-four thousand, four hundred forty-three".