47212006447 has 4 divisors (see below), whose sum is σ = 47222348656. Its totient is φ = 47201664240.

The previous prime is 47212006423. The next prime is 47212006451. The reversal of 47212006447 is 74460021274.

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 47212006447 - 2⁷ = 47212006319 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 (47212006547) 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, 5164254 + ... + 5173387.

It is an arithmetic number, because the mean of its divisors is an integer number (11805587164).

Almost surely, 2^47212006447 is an apocalyptic number.

47212006447 is a deficient number, since it is larger than the sum of its proper divisors (10342209).

47212006447 is a wasteful number, since it uses less digits than its factorization.

47212006447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10342208.

The product of its (nonzero) digits is 75264, while the sum is 37.

The spelling of 47212006447 in words is "forty-seven billion, two hundred twelve million, six thousand, four hundred forty-seven".