47300911821 has 16 divisors (see below), whose sum is σ = 70078809600. Its totient is φ = 31532418144.

The previous prime is 47300911811. The next prime is 47300911829. The reversal of 47300911821 is 12811900374.

It is a happy number.

47300911821 is a `hidden beast` number, since 473 + 0 + 0 + 9 + 1 + 182 + 1 = 666.

It is not a de Polignac number, because 47300911821 - 2⁵ = 47300911789 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47300911829) 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 15 ways as a sum of consecutive naturals, for example, 951460 + ... + 999938.

It is an arithmetic number, because the mean of its divisors is an integer number (4379925600).

Almost surely, 2^47300911821 is an apocalyptic number.

It is an amenable number.

47300911821 is a deficient number, since it is larger than the sum of its proper divisors (22777897779).

47300911821 is a wasteful number, since it uses less digits than its factorization.

47300911821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84625 (or 84619 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 47300911821 in words is "forty-seven billion, three hundred million, nine hundred eleven thousand, eight hundred twenty-one".