47471494633 has 4 divisors (see below), whose sum is σ = 47621247300. Its totient is φ = 47321741968.

The previous prime is 47471494627. The next prime is 47471494723. The reversal of 47471494633 is 33649417474.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33649417474 = 2 ⋅16824708737.

It can be written as a sum of positive squares in 2 ways, for example, as 907033689 + 46564460944 = 30117^2 + 215788^2 .

It is a cyclic number.

It is not a de Polignac number, because 47471494633 - 2⁵ = 47471494601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47471494333) 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, 74875858 + ... + 74876491.

It is an arithmetic number, because the mean of its divisors is an integer number (11905311825).

Almost surely, 2^47471494633 is an apocalyptic number.

It is an amenable number.

47471494633 is a deficient number, since it is larger than the sum of its proper divisors (149752667).

47471494633 is a wasteful number, since it uses less digits than its factorization.

47471494633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149752666.

The product of its digits is 6096384, while the sum is 52.

The spelling of 47471494633 in words is "forty-seven billion, four hundred seventy-one million, four hundred ninety-four thousand, six hundred thirty-three".