41581044163 has 2 divisors, whose sum is σ = 41581044164. Its totient is φ = 41581044162.

The previous prime is 41581044119. The next prime is 41581044191. The reversal of 41581044163 is 36144018514.

41581044163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41581044163 is a prime.

It is not a weakly prime, because it can be changed into another prime (41581044563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20790522081 + 20790522082.

It is an arithmetic number, because the mean of its divisors is an integer number (20790522082).

Almost surely, 2^41581044163 is an apocalyptic number.

41581044163 is a deficient number, since it is larger than the sum of its proper divisors (1).

41581044163 is an equidigital number, since it uses as much as digits as its factorization.

41581044163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 41581044163 in words is "forty-one billion, five hundred eighty-one million, forty-four thousand, one hundred sixty-three".