41991917607895 has 16 divisors (see below), whose sum is σ = 51160629828672. Its totient is φ = 33083585498880.

The previous prime is 41991917607883. The next prime is 41991917607919. The reversal of 41991917607895 is 59870671919914.

It is a happy number.

It is not a de Polignac number, because 41991917607895 - 2²³ = 41991909219287 is a prime.

It is a super-2 number, since 2×41991917607895² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225149062 + ... + 225335491.

It is an arithmetic number, because the mean of its divisors is an integer number (3197539364292).

Almost surely, 2^{41991917607895} is an apocalyptic number.

41991917607895 is a deficient number, since it is larger than the sum of its proper divisors (9168712220777).

41991917607895 is a wasteful number, since it uses less digits than its factorization.

41991917607895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450484842.

The product of its (nonzero) digits is 308629440, while the sum is 76.

The spelling of 41991917607895 in words is "forty-one trillion, nine hundred ninety-one billion, nine hundred seventeen million, six hundred seven thousand, eight hundred ninety-five".