13443044223197 has 2 divisors, whose sum is σ = 13443044223198. Its totient is φ = 13443044223196.

The previous prime is 13443044223157. The next prime is 13443044223241. The reversal of 13443044223197 is 79132244034431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11034694066201 + 2408350156996 = 3321851^2 + 1551886^2 .

It is a cyclic number.

It is not a de Polignac number, because 13443044223197 - 2³⁴ = 13425864354013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13443044223157) 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, 6721522111598 + 6721522111599.

It is an arithmetic number, because the mean of its divisors is an integer number (6721522111599).

Almost surely, 2^{13443044223197} is an apocalyptic number.

It is an amenable number.

13443044223197 is a deficient number, since it is larger than the sum of its proper divisors (1).

13443044223197 is an equidigital number, since it uses as much as digits as its factorization.

13443044223197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 47.

The spelling of 13443044223197 in words is "thirteen trillion, four hundred forty-three billion, forty-four million, two hundred twenty-three thousand, one hundred ninety-seven".