41818705919 has 2 divisors, whose sum is σ = 41818705920. Its totient is φ = 41818705918.

The previous prime is 41818705879. The next prime is 41818705931. The reversal of 41818705919 is 91950781814.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41818705919 is a prime.

It is a super-2 number, since 2×41818705919² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41818705979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20909352959 + 20909352960.

It is an arithmetic number, because the mean of its divisors is an integer number (20909352960).

Almost surely, 2^41818705919 is an apocalyptic number.

41818705919 is a deficient number, since it is larger than the sum of its proper divisors (1).

41818705919 is an equidigital number, since it uses as much as digits as its factorization.

41818705919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 53.

The spelling of 41818705919 in words is "forty-one billion, eight hundred eighteen million, seven hundred five thousand, nine hundred nineteen".