13144443133453 has 16 divisors (see below), whose sum is σ = 13273202160064. Its totient is φ = 13016266773120.

The previous prime is 13144443133441. The next prime is 13144443133457. The reversal of 13144443133453 is 35433134444131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13144443133453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13144443133457) 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, 419653033 + ... + 419684353.

It is an arithmetic number, because the mean of its divisors is an integer number (829575135004).

Almost surely, 2^{13144443133453} is an apocalyptic number.

It is an amenable number.

13144443133453 is a deficient number, since it is larger than the sum of its proper divisors (128759026611).

13144443133453 is a wasteful number, since it uses less digits than its factorization.

13144443133453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40492.

The product of its digits is 1244160, while the sum is 43.

Adding to 13144443133453 its reverse (35433134444131), we get a palindrome (48577577577584).

The spelling of 13144443133453 in words is "thirteen trillion, one hundred forty-four billion, four hundred forty-three million, one hundred thirty-three thousand, four hundred fifty-three".