4476564621 has 12 divisors (see below), whose sum is σ = 6640910172. Its totient is φ = 2903717376.

The previous prime is 4476564583. The next prime is 4476564667. The reversal of 4476564621 is 1264656744.

4476564621 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 3404722500 + 1071842121 = 58350^2 + 32739^2 .

It is not a de Polignac number, because 4476564621 - 2⁶ = 4476564557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4476564121) 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, 6721236 + ... + 6721901.

It is an arithmetic number, because the mean of its divisors is an integer number (553409181).

Almost surely, 2^4476564621 is an apocalyptic number.

It is an amenable number.

4476564621 is a deficient number, since it is larger than the sum of its proper divisors (2164345551).

4476564621 is a wasteful number, since it uses less digits than its factorization.

4476564621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13443180 (or 13443177 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 4476564621 is about 66907.1343056927. The cubic root of 4476564621 is about 1648.0926378560.

The spelling of 4476564621 in words is "four billion, four hundred seventy-six million, five hundred sixty-four thousand, six hundred twenty-one".