41438009 has 2 divisors, whose sum is σ = 41438010. Its totient is φ = 41438008.

The previous prime is 41437937. The next prime is 41438011. The reversal of 41438009 is 90083414.

41438009 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., 33028009 + 8410000 = 5747^2 + 2900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41438009 is a prime.

It is a Sophie Germain prime.

Together with 41438011, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (41438029) 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, 20719004 + 20719005.

It is an arithmetic number, because the mean of its divisors is an integer number (20719005).

Almost surely, 2^41438009 is an apocalyptic number.

It is an amenable number.

41438009 is a deficient number, since it is larger than the sum of its proper divisors (1).

41438009 is an equidigital number, since it uses as much as digits as its factorization.

41438009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 41438009 is about 6437.2361305144. The cubic root of 41438009 is about 346.0453040792.

The spelling of 41438009 in words is "forty-one million, four hundred thirty-eight thousand, nine".