47559401871 has 4 divisors (see below), whose sum is σ = 63412535832. Its totient is φ = 31706267912.

The previous prime is 47559401753. The next prime is 47559401891. The reversal of 47559401871 is 17810495574.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47559401871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47559401891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7926566976 + ... + 7926566981.

It is an arithmetic number, because the mean of its divisors is an integer number (15853133958).

Almost surely, 2^47559401871 is an apocalyptic number.

47559401871 is a deficient number, since it is larger than the sum of its proper divisors (15853133961).

47559401871 is a wasteful number, since it uses less digits than its factorization.

47559401871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15853133960.

The product of its (nonzero) digits is 1411200, while the sum is 51.

The spelling of 47559401871 in words is "forty-seven billion, five hundred fifty-nine million, four hundred one thousand, eight hundred seventy-one".