47675200021 has 4 divisors (see below), whose sum is σ = 47676296844. Its totient is φ = 47674103200.

The previous prime is 47675199991. The next prime is 47675200033. The reversal of 47675200021 is 12000257674.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2640418225 + 45034781796 = 51385^2 + 212214^2 .

It is a cyclic number.

It is not a de Polignac number, because 47675200021 - 2⁵ = 47675199989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47675200021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47679200021) 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 3 ways as a sum of consecutive naturals, for example, 480400 + ... + 571081.

It is an arithmetic number, because the mean of its divisors is an integer number (11919074211).

Almost surely, 2^47675200021 is an apocalyptic number.

It is an amenable number.

47675200021 is a deficient number, since it is larger than the sum of its proper divisors (1096823).

47675200021 is a wasteful number, since it uses less digits than its factorization.

47675200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096822.

The product of its (nonzero) digits is 23520, while the sum is 34.

Adding to 47675200021 its reverse (12000257674), we get a palindrome (59675457695).

The spelling of 47675200021 in words is "forty-seven billion, six hundred seventy-five million, two hundred thousand, twenty-one".