13044230430221 has 2 divisors, whose sum is σ = 13044230430222. Its totient is φ = 13044230430220.

The previous prime is 13044230430197. The next prime is 13044230430223. The reversal of 13044230430221 is 12203403244031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7889014770121 + 5155215660100 = 2808739^2 + 2270510^2 .

It is a cyclic number.

It is not a de Polignac number, because 13044230430221 - 2¹⁸ = 13044230168077 is a prime.

Together with 13044230430223, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13044230430223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6522115215110 + 6522115215111.

It is an arithmetic number, because the mean of its divisors is an integer number (6522115215111).

Almost surely, 2^{13044230430221} is an apocalyptic number.

It is an amenable number.

13044230430221 is a deficient number, since it is larger than the sum of its proper divisors (1).

13044230430221 is an equidigital number, since it uses as much as digits as its factorization.

13044230430221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 13044230430221 its reverse (12203403244031), we get a palindrome (25247633674252).

The spelling of 13044230430221 in words is "thirteen trillion, forty-four billion, two hundred thirty million, four hundred thirty thousand, two hundred twenty-one".