41973809 has 2 divisors, whose sum is σ = 41973810. Its totient is φ = 41973808.

The previous prime is 41973761. The next prime is 41973857. The reversal of 41973809 is 90837914.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (41973761) and next prime (41973857).

It can be written as a sum of positive squares in only one way, i.e., 41886784 + 87025 = 6472^2 + 295^2 .

It is a cyclic number.

It is not a de Polignac number, because 41973809 - 2²⁰ = 40925233 is a prime.

It is not a weakly prime, because it can be changed into another prime (41973859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20986904 + 20986905.

It is an arithmetic number, because the mean of its divisors is an integer number (20986905).

Almost surely, 2^41973809 is an apocalyptic number.

It is an amenable number.

41973809 is a deficient number, since it is larger than the sum of its proper divisors (1).

41973809 is an equidigital number, since it uses as much as digits as its factorization.

41973809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 41973809 is about 6478.7197037686. The cubic root of 41973809 is about 347.5303950088.

The spelling of 41973809 in words is "forty-one million, nine hundred seventy-three thousand, eight hundred nine".