41217878573 has 4 divisors (see below), whose sum is σ = 41234230908. Its totient is φ = 41201526240.

The previous prime is 41217878567. The next prime is 41217878641. The reversal of 41217878573 is 37587871214.

It is a happy number.

41217878573 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, and also an emirpimes, since its reverse is a distinct semiprime: 37587871214 = 2 ⋅18793935607.

It can be written as a sum of positive squares in 2 ways, for example, as 15695579524 + 25522299049 = 125282^2 + 159757^2 .

It is a cyclic number.

It is not a de Polignac number, because 41217878573 - 2²² = 41213684269 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 (41217878873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8172386 + ... + 8177427.

It is an arithmetic number, because the mean of its divisors is an integer number (10308557727).

Almost surely, 2^41217878573 is an apocalyptic number.

It is an amenable number.

41217878573 is a deficient number, since it is larger than the sum of its proper divisors (16352335).

41217878573 is a wasteful number, since it uses less digits than its factorization.

41217878573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16352334.

The product of its digits is 2634240, while the sum is 53.

The spelling of 41217878573 in words is "forty-one billion, two hundred seventeen million, eight hundred seventy-eight thousand, five hundred seventy-three".