10644559 has 2 divisors, whose sum is σ = 10644560. Its totient is φ = 10644558.

The previous prime is 10644523. The next prime is 10644577. The reversal of 10644559 is 95544601.

10644559 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 is an emirp because it is prime and its reverse (95544601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10644559 - 2¹⁷ = 10513487 is a prime.

It is a super-2 number, since 2×10644559² = 226613272608962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10644509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5322279 + 5322280.

It is an arithmetic number, because the mean of its divisors is an integer number (5322280).

Almost surely, 2^10644559 is an apocalyptic number.

10644559 is a deficient number, since it is larger than the sum of its proper divisors (1).

10644559 is an equidigital number, since it uses as much as digits as its factorization.

10644559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 10644559 is about 3262.6000367805. The cubic root of 10644559 is about 219.9762990997.

The spelling of 10644559 in words is "ten million, six hundred forty-four thousand, five hundred fifty-nine".