13340424443 has 4 divisors (see below), whose sum is σ = 13340671320. Its totient is φ = 13340177568.

The previous prime is 13340424397. The next prime is 13340424509. The reversal of 13340424443 is 34442404331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13340424443 - 2³⁰ = 12266682619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13340424743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3605 + ... + 163382.

It is an arithmetic number, because the mean of its divisors is an integer number (3335167830).

Almost surely, 2^13340424443 is an apocalyptic number.

13340424443 is a deficient number, since it is larger than the sum of its proper divisors (246877).

13340424443 is an equidigital number, since it uses as much as digits as its factorization.

13340424443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246876.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 13340424443 its reverse (34442404331), we get a palindrome (47782828774).

The spelling of 13340424443 in words is "thirteen billion, three hundred forty million, four hundred twenty-four thousand, four hundred forty-three".