47864893321 has 4 divisors (see below), whose sum is σ = 54702735232. Its totient is φ = 41027051412.

The previous prime is 47864893277. The next prime is 47864893367. The reversal of 47864893321 is 12339846874.

47864893321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 47864893321 - 2⁹ = 47864892809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47864890321) 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, 3418920945 + ... + 3418920958.

It is an arithmetic number, because the mean of its divisors is an integer number (13675683808).

Almost surely, 2^47864893321 is an apocalyptic number.

It is an amenable number.

47864893321 is a deficient number, since it is larger than the sum of its proper divisors (6837841911).

47864893321 is an equidigital number, since it uses as much as digits as its factorization.

47864893321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6837841910.

The product of its digits is 6967296, while the sum is 55.

The spelling of 47864893321 in words is "forty-seven billion, eight hundred sixty-four million, eight hundred ninety-three thousand, three hundred twenty-one".