47309818672 has 20 divisors (see below), whose sum is σ = 91751712336. Its totient is φ = 23631957440.

The previous prime is 47309818669. The next prime is 47309818679. The reversal of 47309818672 is 27681890374.

It is not an unprimeable number, because it can be changed into a prime (47309818679) 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, 1417483 + ... + 1450474.

Almost surely, 2^47309818672 is an apocalyptic number.

It is an amenable number.

47309818672 is a deficient number, since it is larger than the sum of its proper divisors (44441893664).

47309818672 is a wasteful number, since it uses less digits than its factorization.

47309818672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868996 (or 2868990 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 47309818672 in words is "forty-seven billion, three hundred nine million, eight hundred eighteen thousand, six hundred seventy-two".