47171863848317 has 4 divisors (see below), whose sum is σ = 50800468759740. Its totient is φ = 43543258936896.

The previous prime is 47171863848311. The next prime is 47171863848341. The reversal of 47171863848317 is 71384836817174.

47171863848317 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 12232723095961 + 34939140752356 = 3497531^2 + 5910934^2 .

It is a cyclic number.

It is not a de Polignac number, because 47171863848317 - 2³⁰ = 47170790106493 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 (47171863848311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1814302455692 + ... + 1814302455717.

It is an arithmetic number, because the mean of its divisors is an integer number (12700117189935).

Almost surely, 2^{47171863848317} is an apocalyptic number.

It is an amenable number.

47171863848317 is a deficient number, since it is larger than the sum of its proper divisors (3628604911423).

47171863848317 is a wasteful number, since it uses less digits than its factorization.

47171863848317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3628604911422.

The product of its digits is 151732224, while the sum is 68.

The spelling of 47171863848317 in words is "forty-seven trillion, one hundred seventy-one billion, eight hundred sixty-three million, eight hundred forty-eight thousand, three hundred seventeen".