13444324441 has 2 divisors, whose sum is σ = 13444324442. Its totient is φ = 13444324440.

The previous prime is 13444324417. The next prime is 13444324471. The reversal of 13444324441 is 14442344431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10863684441 + 2580640000 = 104229^2 + 50800^2 .

It is an emirp because it is prime and its reverse (14442344431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13444324441 - 2²¹ = 13442227289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13444324397 and 13444324406.

It is not a weakly prime, because it can be changed into another prime (13444324471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6722162220 + 6722162221.

It is an arithmetic number, because the mean of its divisors is an integer number (6722162221).

Almost surely, 2^13444324441 is an apocalyptic number.

It is an amenable number.

13444324441 is a deficient number, since it is larger than the sum of its proper divisors (1).

13444324441 is an equidigital number, since it uses as much as digits as its factorization.

13444324441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73728, while the sum is 34.

Adding to 13444324441 its reverse (14442344431), we get a palindrome (27886668872).

The spelling of 13444324441 in words is "thirteen billion, four hundred forty-four million, three hundred twenty-four thousand, four hundred forty-one".