10643344213 has 2 divisors, whose sum is σ = 10643344214. Its totient is φ = 10643344212.

The previous prime is 10643344211. The next prime is 10643344289. The reversal of 10643344213 is 31244334601.

10643344213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10392375249 + 250968964 = 101943^2 + 15842^2 .

It is a cyclic number.

It is not a de Polignac number, because 10643344213 - 2¹ = 10643344211 is a prime.

It is a super-2 number, since 2×10643344213² (a number of 21 digits) contains 22 as substring.

Together with 10643344211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10643344211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5321672106 + 5321672107.

It is an arithmetic number, because the mean of its divisors is an integer number (5321672107).

Almost surely, 2^10643344213 is an apocalyptic number.

It is an amenable number.

10643344213 is a deficient number, since it is larger than the sum of its proper divisors (1).

10643344213 is an equidigital number, since it uses as much as digits as its factorization.

10643344213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 10643344213 its reverse (31244334601), we get a palindrome (41887678814).

The spelling of 10643344213 in words is "ten billion, six hundred forty-three million, three hundred forty-four thousand, two hundred thirteen".