47643221433 has 4 divisors (see below), whose sum is σ = 63524295248. Its totient is φ = 31762147620.

The previous prime is 47643221383. The next prime is 47643221533. The reversal of 47643221433 is 33412234674.

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 47643221433 - 2⁶ = 47643221369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47643221391 and 47643221400.

It is not an unprimeable number, because it can be changed into a prime (47643221333) 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, 7940536903 + ... + 7940536908.

It is an arithmetic number, because the mean of its divisors is an integer number (15881073812).

Almost surely, 2^47643221433 is an apocalyptic number.

It is an amenable number.

47643221433 is a deficient number, since it is larger than the sum of its proper divisors (15881073815).

47643221433 is a wasteful number, since it uses less digits than its factorization.

47643221433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15881073814.

The product of its digits is 290304, while the sum is 39.

The spelling of 47643221433 in words is "forty-seven billion, six hundred forty-three million, two hundred twenty-one thousand, four hundred thirty-three".