4643443456 has 18 divisors (see below), whose sum is σ = 9268748972. Its totient is φ = 2321721600.

The previous prime is 4643443439. The next prime is 4643443457. The reversal of 4643443456 is 6543443464.

It is not an unprimeable number, because it can be changed into a prime (4643443457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9068970 + ... + 9069481.

Almost surely, 2^4643443456 is an apocalyptic number.

It is an amenable number.

4643443456 is a deficient number, since it is larger than the sum of its proper divisors (4625305516).

4643443456 is an equidigital number, since it uses as much as digits as its factorization.

4643443456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18138467 (or 18138453 counting only the distinct ones).

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

The square root of 4643443456 is about 68142.8166133452. The cubic root of 4643443456 is about 1668.3226798583.

The spelling of 4643443456 in words is "four billion, six hundred forty-three million, four hundred forty-three thousand, four hundred fifty-six".