47717946909 has 32 divisors (see below), whose sum is σ = 72282887040. Its totient is φ = 31104539136.

The previous prime is 47717946907. The next prime is 47717946931. The reversal of 47717946909 is 90964971774.

47717946909 is a `hidden beast` number, since 477 + 1 + 79 + 4 + 6 + 90 + 9 = 666.

It is not a de Polignac number, because 47717946909 - 2¹ = 47717946907 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47717946907) 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 31 ways as a sum of consecutive naturals, for example, 107619 + ... + 327135.

It is an arithmetic number, because the mean of its divisors is an integer number (2258840220).

Almost surely, 2^47717946909 is an apocalyptic number.

It is an amenable number.

47717946909 is a deficient number, since it is larger than the sum of its proper divisors (24564940131).

47717946909 is a wasteful number, since it uses less digits than its factorization.

47717946909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219706 (or 219700 counting only the distinct ones).

The product of its (nonzero) digits is 24004512, while the sum is 63.

The spelling of 47717946909 in words is "forty-seven billion, seven hundred seventeen million, nine hundred forty-six thousand, nine hundred nine".