4425447668 has 36 divisors (see below), whose sum is σ = 8013521376. Its totient is φ = 2138232000.

The previous prime is 4425447623. The next prime is 4425447713. The reversal of 4425447668 is 8667445244.

It is an interprime number because it is at equal distance from previous prime (4425447623) and next prime (4425447713).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 716393 + ... + 722543.

It is an arithmetic number, because the mean of its divisors is an integer number (222597816).

Almost surely, 2^4425447668 is an apocalyptic number.

It is an amenable number.

4425447668 is a deficient number, since it is larger than the sum of its proper divisors (3588073708).

4425447668 is a wasteful number, since it uses less digits than its factorization.

4425447668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6344 (or 6301 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 50.

The square root of 4425447668 is about 66524.0382718909. The cubic root of 4425447668 is about 1641.7955334653.

The spelling of 4425447668 in words is "four billion, four hundred twenty-five million, four hundred forty-seven thousand, six hundred sixty-eight".