47055868021 has 4 divisors (see below), whose sum is σ = 47651512000. Its totient is φ = 46460224044.

The previous prime is 47055868019. The next prime is 47055868039. The reversal of 47055868021 is 12086855074.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47055868021 - 2¹ = 47055868019 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 (47055868121) 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, 297821871 + ... + 297822028.

It is an arithmetic number, because the mean of its divisors is an integer number (11912878000).

Almost surely, 2^47055868021 is an apocalyptic number.

It is an amenable number.

47055868021 is a deficient number, since it is larger than the sum of its proper divisors (595643979).

47055868021 is an equidigital number, since it uses as much as digits as its factorization.

47055868021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595643978.

The product of its (nonzero) digits is 537600, while the sum is 46.

The spelling of 47055868021 in words is "forty-seven billion, fifty-five million, eight hundred sixty-eight thousand, twenty-one".