41436809 has 2 divisors, whose sum is σ = 41436810. Its totient is φ = 41436808.

The previous prime is 41436799. The next prime is 41436833. The reversal of 41436809 is 90863414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22705225 + 18731584 = 4765^2 + 4328^2 .

It is a cyclic number.

It is not a de Polignac number, because 41436809 - 2²⁰ = 40388233 is a prime.

It is not a weakly prime, because it can be changed into another prime (41436839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20718404 + 20718405.

It is an arithmetic number, because the mean of its divisors is an integer number (20718405).

Almost surely, 2^41436809 is an apocalyptic number.

It is an amenable number.

41436809 is a deficient number, since it is larger than the sum of its proper divisors (1).

41436809 is an equidigital number, since it uses as much as digits as its factorization.

41436809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 41436809 is about 6437.1429221356. The cubic root of 41436809 is about 346.0419636809.

The spelling of 41436809 in words is "forty-one million, four hundred thirty-six thousand, eight hundred nine".