41850518009 has 6 divisors (see below), whose sum is σ = 44457124974. Its totient is φ = 39388722560.

The previous prime is 41850517927. The next prime is 41850518033. The reversal of 41850518009 is 90081505814.

It can be written as a sum of positive squares in 3 ways, for example, as 14409601600 + 27440916409 = 120040^2 + 165653^2 .

It is not a de Polignac number, because 41850518009 - 2²⁰ = 41849469433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41850518069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72405452 + ... + 72406029.

It is an arithmetic number, because the mean of its divisors is an integer number (7409520829).

Almost surely, 2^41850518009 is an apocalyptic number.

It is an amenable number.

41850518009 is a deficient number, since it is larger than the sum of its proper divisors (2606606965).

41850518009 is a wasteful number, since it uses less digits than its factorization.

41850518009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144811515 (or 144811498 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 41.

The spelling of 41850518009 in words is "forty-one billion, eight hundred fifty million, five hundred eighteen thousand, nine".