47895921161 has 4 divisors (see below), whose sum is σ = 52250095824. Its totient is φ = 43541746500.

The previous prime is 47895921149. The next prime is 47895921163. The reversal of 47895921161 is 16112959874.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47895921161 - 2¹⁸ = 47895659017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47895921163) 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, 2177087315 + ... + 2177087336.

It is an arithmetic number, because the mean of its divisors is an integer number (13062523956).

Almost surely, 2^47895921161 is an apocalyptic number.

It is an amenable number.

47895921161 is a deficient number, since it is larger than the sum of its proper divisors (4354174663).

47895921161 is a wasteful number, since it uses less digits than its factorization.

47895921161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4354174662.

The product of its digits is 1088640, while the sum is 53.

The spelling of 47895921161 in words is "forty-seven billion, eight hundred ninety-five million, nine hundred twenty-one thousand, one hundred sixty-one".