4443983961 has 4 divisors (see below), whose sum is σ = 5925311952. Its totient is φ = 2962655972.

The previous prime is 4443983953. The next prime is 4443983963. The reversal of 4443983961 is 1693893444.

It is a happy number.

4443983961 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4443983961 - 2³ = 4443983953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4443983963) 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, 740663991 + ... + 740663996.

It is an arithmetic number, because the mean of its divisors is an integer number (1481327988).

Almost surely, 2^4443983961 is an apocalyptic number.

It is an amenable number.

4443983961 is a deficient number, since it is larger than the sum of its proper divisors (1481327991).

4443983961 is a wasteful number, since it uses less digits than its factorization.

4443983961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481327990.

The product of its digits is 2239488, while the sum is 51.

The square root of 4443983961 is about 66663.2129513722. The cubic root of 4443983961 is about 1644.0845984343.

The spelling of 4443983961 in words is "four billion, four hundred forty-three million, nine hundred eighty-three thousand, nine hundred sixty-one".