13216011443 has 2 divisors, whose sum is σ = 13216011444. Its totient is φ = 13216011442.

The previous prime is 13216011427. The next prime is 13216011491. The reversal of 13216011443 is 34411061231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13216011443 - 2⁴ = 13216011427 is a prime.

It is not a weakly prime, because it can be changed into another prime (13216014443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6608005721 + 6608005722.

It is an arithmetic number, because the mean of its divisors is an integer number (6608005722).

Almost surely, 2^13216011443 is an apocalyptic number.

13216011443 is a deficient number, since it is larger than the sum of its proper divisors (1).

13216011443 is an equidigital number, since it uses as much as digits as its factorization.

13216011443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 13216011443 its reverse (34411061231), we get a palindrome (47627072674).

The spelling of 13216011443 in words is "thirteen billion, two hundred sixteen million, eleven thousand, four hundred forty-three".