13244420216213 has 2 divisors, whose sum is σ = 13244420216214. Its totient is φ = 13244420216212.

The previous prime is 13244420216171. The next prime is 13244420216257. The reversal of 13244420216213 is 31261202444231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10241068827889 + 3003351388324 = 3200167^2 + 1733018^2 .

It is a cyclic number.

It is not a de Polignac number, because 13244420216213 - 2⁴⁰ = 12144908588437 is a prime.

It is a super-2 number, since 2×13244420216213² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13244420216813) 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, 6622210108106 + 6622210108107.

It is an arithmetic number, because the mean of its divisors is an integer number (6622210108107).

Almost surely, 2^{13244420216213} is an apocalyptic number.

It is an amenable number.

13244420216213 is a deficient number, since it is larger than the sum of its proper divisors (1).

13244420216213 is an equidigital number, since it uses as much as digits as its factorization.

13244420216213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 13244420216213 in words is "thirteen trillion, two hundred forty-four billion, four hundred twenty million, two hundred sixteen thousand, two hundred thirteen".