10444909 has 2 divisors, whose sum is σ = 10444910. Its totient is φ = 10444908.

The previous prime is 10444897. The next prime is 10444933. The reversal of 10444909 is 90944401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9548100 + 896809 = 3090^2 + 947^2 .

It is an emirp because it is prime and its reverse (90944401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10444909 - 2⁷ = 10444781 is a prime.

It is a super-2 number, since 2×10444909² = 218192248036562, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10444939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5222454 + 5222455.

It is an arithmetic number, because the mean of its divisors is an integer number (5222455).

Almost surely, 2^10444909 is an apocalyptic number.

It is an amenable number.

10444909 is a deficient number, since it is larger than the sum of its proper divisors (1).

10444909 is an equidigital number, since it uses as much as digits as its factorization.

10444909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 10444909 is about 3231.8584436822. The cubic root of 10444909 is about 218.5923136786.

The spelling of 10444909 in words is "ten million, four hundred forty-four thousand, nine hundred nine".