47453551871 has 4 divisors (see below), whose sum is σ = 51767511144. Its totient is φ = 43139592600.

The previous prime is 47453551843. The next prime is 47453551877. The reversal of 47453551871 is 17815535474.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 47453551871 - 2²² = 47449357567 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 (47453551877) 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, 2156979620 + ... + 2156979641.

It is an arithmetic number, because the mean of its divisors is an integer number (12941877786).

Almost surely, 2^47453551871 is an apocalyptic number.

47453551871 is a deficient number, since it is larger than the sum of its proper divisors (4313959273).

47453551871 is a wasteful number, since it uses less digits than its factorization.

47453551871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4313959272.

The product of its digits is 2352000, while the sum is 50.

The spelling of 47453551871 in words is "forty-seven billion, four hundred fifty-three million, five hundred fifty-one thousand, eight hundred seventy-one".