13442431443 has 16 divisors (see below), whose sum is σ = 21374301696. Its totient is φ = 7347415680.

The previous prime is 13442431441. The next prime is 13442431477. The reversal of 13442431443 is 34413424431.

It is not a de Polignac number, because 13442431443 - 2¹ = 13442431441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13442431441) 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, 13915078 + ... + 13916043.

It is an arithmetic number, because the mean of its divisors is an integer number (1335893856).

Almost surely, 2^13442431443 is an apocalyptic number.

13442431443 is a deficient number, since it is larger than the sum of its proper divisors (7931870253).

13442431443 is a wasteful number, since it uses less digits than its factorization.

13442431443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27831154.

The product of its digits is 55296, while the sum is 33.

Adding to 13442431443 its reverse (34413424431), we get a palindrome (47855855874).

The spelling of 13442431443 in words is "thirteen billion, four hundred forty-two million, four hundred thirty-one thousand, four hundred forty-three".