41218865664263 has 12 divisors (see below), whose sum is σ = 47951752612320. Its totient is φ = 35328042221472.

The previous prime is 41218865664241. The next prime is 41218865664313. The reversal of 41218865664263 is 36246656881214.

It is a de Polignac number, because none of the positive numbers 2^k-41218865664263 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41218865664196 and 41218865664205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41218865669263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28014206 + ... + 29448827.

It is an arithmetic number, because the mean of its divisors is an integer number (3995979384360).

Almost surely, 2^{41218865664263} is an apocalyptic number.

41218865664263 is a deficient number, since it is larger than the sum of its proper divisors (6732886948057).

41218865664263 is a wasteful number, since it uses less digits than its factorization.

41218865664263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57477686 (or 57477679 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 62.

The spelling of 41218865664263 in words is "forty-one trillion, two hundred eighteen billion, eight hundred sixty-five million, six hundred sixty-four thousand, two hundred sixty-three".