4475927021 has 4 divisors (see below), whose sum is σ = 4477379100. Its totient is φ = 4474474944.

The previous prime is 4475927011. The next prime is 4475927039. The reversal of 4475927021 is 1207295744.

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 3854671396 + 621255625 = 62086^2 + 24925^2 .

It is a cyclic number.

It is not a de Polignac number, because 4475927021 - 2¹⁰ = 4475925997 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 4475927021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4475927011) 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, 721406 + ... + 727583.

It is an arithmetic number, because the mean of its divisors is an integer number (1119344775).

Almost surely, 2^4475927021 is an apocalyptic number.

It is an amenable number.

4475927021 is a deficient number, since it is larger than the sum of its proper divisors (1452079).

4475927021 is a wasteful number, since it uses less digits than its factorization.

4475927021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452078.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 4475927021 is about 66902.3693227676. The cubic root of 4475927021 is about 1648.0143878400.

The spelling of 4475927021 in words is "four billion, four hundred seventy-five million, nine hundred twenty-seven thousand, twenty-one".