41865449317 has 4 divisors (see below), whose sum is σ = 42028350156. Its totient is φ = 41702548480.

The previous prime is 41865449231. The next prime is 41865449383. The reversal of 41865449317 is 71394456814.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19779328321 + 22086120996 = 140639^2 + 148614^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41865449317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41865449117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81450034 + ... + 81450547.

It is an arithmetic number, because the mean of its divisors is an integer number (10507087539).

Almost surely, 2^41865449317 is an apocalyptic number.

It is an amenable number.

41865449317 is a deficient number, since it is larger than the sum of its proper divisors (162900839).

41865449317 is a wasteful number, since it uses less digits than its factorization.

41865449317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162900838.

The product of its digits is 2903040, while the sum is 52.

The spelling of 41865449317 in words is "forty-one billion, eight hundred sixty-five million, four hundred forty-nine thousand, three hundred seventeen".