41916921065 has 4 divisors (see below), whose sum is σ = 50300305284. Its totient is φ = 33533536848.

The previous prime is 41916921047. The next prime is 41916921077. The reversal of 41916921065 is 56012961914.

41916921065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 6324702784 + 35592218281 = 79528^2 + 188659^2 .

It is a cyclic number.

It is not a de Polignac number, because 41916921065 - 2⁸ = 41916920809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4191692102 + ... + 4191692111.

It is an arithmetic number, because the mean of its divisors is an integer number (12575076321).

Almost surely, 2^41916921065 is an apocalyptic number.

It is an amenable number.

41916921065 is a deficient number, since it is larger than the sum of its proper divisors (8383384219).

41916921065 is an equidigital number, since it uses as much as digits as its factorization.

41916921065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8383384218.

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 41916921065 in words is "forty-one billion, nine hundred sixteen million, nine hundred twenty-one thousand, sixty-five".