244544009 has 2 divisors, whose sum is σ = 244544010. Its totient is φ = 244544008.

The previous prime is 244543993. The next prime is 244544033. The reversal of 244544009 is 900445442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222010000 + 22534009 = 14900^2 + 4747^2 .

It is a cyclic number.

It is not a de Polignac number, because 244544009 - 2⁴ = 244543993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (244544039) 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, 122272004 + 122272005.

It is an arithmetic number, because the mean of its divisors is an integer number (122272005).

Almost surely, 2^244544009 is an apocalyptic number.

It is an amenable number.

244544009 is a deficient number, since it is larger than the sum of its proper divisors (1).

244544009 is an equidigital number, since it uses as much as digits as its factorization.

244544009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 244544009 is about 15637.9029604356. The cubic root of 244544009 is about 625.3440316062.

The spelling of 244544009 in words is "two hundred forty-four million, five hundred forty-four thousand, nine".