10644449 has 2 divisors, whose sum is σ = 10644450. Its totient is φ = 10644448.

The previous prime is 10644437. The next prime is 10644451. The reversal of 10644449 is 94444601.

10644449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9891025 + 753424 = 3145^2 + 868^2 .

It is a cyclic number.

It is not a de Polignac number, because 10644449 - 2¹² = 10640353 is a prime.

It is a super-2 number, since 2×10644449² = 226608589027202, which contains 22 as substring.

Together with 10644451, 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 (10644409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5322224 + 5322225.

It is an arithmetic number, because the mean of its divisors is an integer number (5322225).

Almost surely, 2^10644449 is an apocalyptic number.

It is an amenable number.

10644449 is a deficient number, since it is larger than the sum of its proper divisors (1).

10644449 is an equidigital number, since it uses as much as digits as its factorization.

10644449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 10644449 is about 3262.5831790163. The cubic root of 10644449 is about 219.9755413580.

The spelling of 10644449 in words is "ten million, six hundred forty-four thousand, four hundred forty-nine".