10444009 has 2 divisors, whose sum is σ = 10444010. Its totient is φ = 10444008.

The previous prime is 10443997. The next prime is 10444033. The reversal of 10444009 is 90044401.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10419984 + 24025 = 3228^2 + 155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10444009 is a prime.

It is not a weakly prime, because it can be changed into another prime (10444039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5222004 + 5222005.

It is an arithmetic number, because the mean of its divisors is an integer number (5222005).

Almost surely, 2^10444009 is an apocalyptic number.

It is an amenable number.

10444009 is a deficient number, since it is larger than the sum of its proper divisors (1).

10444009 is an equidigital number, since it uses as much as digits as its factorization.

10444009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 10444009 is about 3231.7192019110. The cubic root of 10444009 is about 218.5860350621.

The spelling of 10444009 in words is "ten million, four hundred forty-four thousand, nine".