10644843107 has 2 divisors, whose sum is σ = 10644843108. Its totient is φ = 10644843106.

The previous prime is 10644843031. The next prime is 10644843109. The reversal of 10644843107 is 70134844601.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10644843107 - 2¹⁴ = 10644826723 is a prime.

It is a super-2 number, since 2×10644843107² (a number of 21 digits) contains 22 as substring.

Together with 10644843109, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10644843109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5322421553 + 5322421554.

It is an arithmetic number, because the mean of its divisors is an integer number (5322421554).

Almost surely, 2^10644843107 is an apocalyptic number.

10644843107 is a deficient number, since it is larger than the sum of its proper divisors (1).

10644843107 is an equidigital number, since it uses as much as digits as its factorization.

10644843107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 10644843107 in words is "ten billion, six hundred forty-four million, eight hundred forty-three thousand, one hundred seven".