47966681833 has 4 divisors (see below), whose sum is σ = 54819064960. Its totient is φ = 41114298708.

The previous prime is 47966681821. The next prime is 47966681839. The reversal of 47966681833 is 33818666974.

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 not a de Polignac number, because 47966681833 - 2²⁹ = 47429810921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47966681839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3426191553 + ... + 3426191566.

It is an arithmetic number, because the mean of its divisors is an integer number (13704766240).

Almost surely, 2^47966681833 is an apocalyptic number.

It is an amenable number.

47966681833 is a deficient number, since it is larger than the sum of its proper divisors (6852383127).

47966681833 is an equidigital number, since it uses as much as digits as its factorization.

47966681833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6852383126.

The product of its digits is 31352832, while the sum is 61.

The spelling of 47966681833 in words is "forty-seven billion, nine hundred sixty-six million, six hundred eighty-one thousand, eight hundred thirty-three".