4443663445 has 32 divisors (see below), whose sum is σ = 5873535360. Its totient is φ = 3207409920.

The previous prime is 4443663443. The next prime is 4443663493. The reversal of 4443663445 is 5443663444.

It is not a de Polignac number, because 4443663445 - 2¹ = 4443663443 is a prime.

It is a super-2 number, since 2×4443663445² = 39492289624858536050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4443663443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 566611 + ... + 574399.

It is an arithmetic number, because the mean of its divisors is an integer number (183547980).

Almost surely, 2^4443663445 is an apocalyptic number.

It is an amenable number.

4443663445 is a deficient number, since it is larger than the sum of its proper divisors (1429871915).

4443663445 is a wasteful number, since it uses less digits than its factorization.

4443663445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8005.

The product of its digits is 1658880, while the sum is 43.

The square root of 4443663445 is about 66660.8089134838. The cubic root of 4443663445 is about 1644.0450717323.

Subtracting 4443663445 from its reverse (5443663444), we obtain a palindrome (999999999).

The spelling of 4443663445 in words is "four billion, four hundred forty-three million, six hundred sixty-three thousand, four hundred forty-five".