4866085421 has 12 divisors (see below), whose sum is σ = 5312778300. Its totient is φ = 4451001408.

The previous prime is 4866085397. The next prime is 4866085429. The reversal of 4866085421 is 1245806684.

It is a happy number.

4866085421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3536680900 + 1329404521 = 59470^2 + 36461^2 .

It is not a de Polignac number, because 4866085421 - 2²⁶ = 4798976557 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 (4866085429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221936 + ... + 242873.

It is an arithmetic number, because the mean of its divisors is an integer number (442731525).

Almost surely, 2^4866085421 is an apocalyptic number.

It is an amenable number.

4866085421 is a deficient number, since it is larger than the sum of its proper divisors (446692879).

4866085421 is a wasteful number, since it uses less digits than its factorization.

4866085421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464876 (or 464857 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 44.

The square root of 4866085421 is about 69757.3323816214. The cubic root of 4866085421 is about 1694.5715448126.

The spelling of 4866085421 in words is "four billion, eight hundred sixty-six million, eighty-five thousand, four hundred twenty-one".