4471546421 has 4 divisors (see below), whose sum is σ = 4471784844. Its totient is φ = 4471308000.

The previous prime is 4471546327. The next prime is 4471546439. The reversal of 4471546421 is 1246451744.

4471546421 is digitally balanced in base 3, 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.

It can be written as a sum of positive squares in 2 ways, for example, as 1123188196 + 3348358225 = 33514^2 + 57865^2 .

It is a cyclic number.

It is not a de Polignac number, because 4471546421 - 2²² = 4467352117 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 (4471546451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88430 + ... + 129471.

It is an arithmetic number, because the mean of its divisors is an integer number (1117946211).

Almost surely, 2^4471546421 is an apocalyptic number.

It is an amenable number.

4471546421 is a deficient number, since it is larger than the sum of its proper divisors (238423).

4471546421 is a wasteful number, since it uses less digits than its factorization.

4471546421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238422.

The product of its digits is 107520, while the sum is 38.

The square root of 4471546421 is about 66869.6225576308. The cubic root of 4471546421 is about 1647.4765738666.

The spelling of 4471546421 in words is "four billion, four hundred seventy-one million, five hundred forty-six thousand, four hundred twenty-one".