47210724364647 has 4 divisors (see below), whose sum is σ = 62947632486200. Its totient is φ = 31473816243096.

The previous prime is 47210724364637. The next prime is 47210724364649. The reversal of 47210724364647 is 74646342701274.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 47210724364647 - 2¹⁹ = 47210723840359 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 (47210724364649) 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, 7868454060772 + ... + 7868454060777.

It is an arithmetic number, because the mean of its divisors is an integer number (15736908121550).

Almost surely, 2^{47210724364647} is an apocalyptic number.

47210724364647 is a deficient number, since it is larger than the sum of its proper divisors (15736908121553).

47210724364647 is a wasteful number, since it uses less digits than its factorization.

47210724364647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15736908121552.

The product of its (nonzero) digits is 37933056, while the sum is 57.

The spelling of 47210724364647 in words is "forty-seven trillion, two hundred ten billion, seven hundred twenty-four million, three hundred sixty-four thousand, six hundred forty-seven".