47180910317 has 4 divisors (see below), whose sum is σ = 47181386076. Its totient is φ = 47180434560.

The previous prime is 47180910311. The next prime is 47180910323. The reversal of 47180910317 is 71301908174.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (47180910311) and next prime (47180910323).

It can be written as a sum of positive squares in 2 ways, for example, as 26135895556 + 21045014761 = 161666^2 + 145069^2 .

It is a cyclic number.

It is not a de Polignac number, because 47180910317 - 2⁸ = 47180910061 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 (47180910311) 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, 26534 + ... + 308327.

It is an arithmetic number, because the mean of its divisors is an integer number (11795346519).

Almost surely, 2^47180910317 is an apocalyptic number.

It is an amenable number.

47180910317 is a deficient number, since it is larger than the sum of its proper divisors (475759).

47180910317 is a wasteful number, since it uses less digits than its factorization.

47180910317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475758.

The product of its (nonzero) digits is 42336, while the sum is 41.

The spelling of 47180910317 in words is "forty-seven billion, one hundred eighty million, nine hundred ten thousand, three hundred seventeen".