47044421013 has 4 divisors (see below), whose sum is σ = 62725894688. Its totient is φ = 31362947340.

The previous prime is 47044421003. The next prime is 47044421027. The reversal of 47044421013 is 31012444074.

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 47044421013 - 2²⁹ = 46507550101 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 (47044421003) 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, 7840736833 + ... + 7840736838.

It is an arithmetic number, because the mean of its divisors is an integer number (15681473672).

Almost surely, 2^47044421013 is an apocalyptic number.

It is an amenable number.

47044421013 is a deficient number, since it is larger than the sum of its proper divisors (15681473675).

47044421013 is a wasteful number, since it uses less digits than its factorization.

47044421013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15681473674.

The product of its (nonzero) digits is 10752, while the sum is 30.

Adding to 47044421013 its reverse (31012444074), we get a palindrome (78056865087).

The spelling of 47044421013 in words is "forty-seven billion, forty-four million, four hundred twenty-one thousand, thirteen".