13324444321 has 2 divisors, whose sum is σ = 13324444322. Its totient is φ = 13324444320.

The previous prime is 13324444283. The next prime is 13324444337. The reversal of 13324444321 is 12344442331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12936787600 + 387656721 = 113740^2 + 19689^2 .

It is a cyclic number.

It is not a de Polignac number, because 13324444321 - 2⁷ = 13324444193 is a prime.

It is not a weakly prime, because it can be changed into another prime (13324444421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6662222160 + 6662222161.

It is an arithmetic number, because the mean of its divisors is an integer number (6662222161).

Almost surely, 2^13324444321 is an apocalyptic number.

It is an amenable number.

13324444321 is a deficient number, since it is larger than the sum of its proper divisors (1).

13324444321 is an equidigital number, since it uses as much as digits as its factorization.

13324444321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 31.

Adding to 13324444321 its reverse (12344442331), we get a palindrome (25668886652).

The spelling of 13324444321 in words is "thirteen billion, three hundred twenty-four million, four hundred forty-four thousand, three hundred twenty-one".