41386909 has 2 divisors, whose sum is σ = 41386910. Its totient is φ = 41386908.

The previous prime is 41386903. The next prime is 41386937. The reversal of 41386909 is 90968314.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40284409 + 1102500 = 6347^2 + 1050^2 .

It is a cyclic number.

It is not a de Polignac number, because 41386909 - 2³ = 41386901 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41386901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20693454 + 20693455.

It is an arithmetic number, because the mean of its divisors is an integer number (20693455).

Almost surely, 2^41386909 is an apocalyptic number.

It is an amenable number.

41386909 is a deficient number, since it is larger than the sum of its proper divisors (1).

41386909 is an equidigital number, since it uses as much as digits as its factorization.

41386909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 41386909 is about 6433.2658113900. The cubic root of 41386909 is about 345.9030016447.

The spelling of 41386909 in words is "forty-one million, three hundred eighty-six thousand, nine hundred nine".