13144430451 has 16 divisors (see below), whose sum is σ = 18840844800. Its totient is φ = 8125111008.

The previous prime is 13144430437. The next prime is 13144430461. The reversal of 13144430451 is 15403444131.

It is not a de Polignac number, because 13144430451 - 2⁵ = 13144430419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13144430461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2450556 + ... + 2455913.

It is an arithmetic number, because the mean of its divisors is an integer number (1177552800).

Almost surely, 2^13144430451 is an apocalyptic number.

13144430451 is a deficient number, since it is larger than the sum of its proper divisors (5696414349).

13144430451 is a wasteful number, since it uses less digits than its factorization.

13144430451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4906538.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 13144430451 its reverse (15403444131), we get a palindrome (28547874582).

The spelling of 13144430451 in words is "thirteen billion, one hundred forty-four million, four hundred thirty thousand, four hundred fifty-one".