441475663 has 4 divisors (see below), whose sum is σ = 448064920. Its totient is φ = 434886408.

The previous prime is 441475651. The next prime is 441475673. The reversal of 441475663 is 366574144.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 441475663 - 2⁵ = 441475631 is a prime.

It is a super-2 number, since 2×441475663² = 389801522042579138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441475673) 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, 3294528 + ... + 3294661.

It is an arithmetic number, because the mean of its divisors is an integer number (112016230).

Almost surely, 2^441475663 is an apocalyptic number.

441475663 is a deficient number, since it is larger than the sum of its proper divisors (6589257).

441475663 is an equidigital number, since it uses as much as digits as its factorization.

441475663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6589256.

The product of its digits is 241920, while the sum is 40.

The square root of 441475663 is about 21011.3222572974. The cubic root of 441475663 is about 761.4398276424.

The spelling of 441475663 in words is "four hundred forty-one million, four hundred seventy-five thousand, six hundred sixty-three".