4404385789 has 4 divisors (see below), whose sum is σ = 4663467324. Its totient is φ = 4145304256.

The previous prime is 4404385771. The next prime is 4404385793. The reversal of 4404385789 is 9875834044.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2475858564 + 1928527225 = 49758^2 + 43915^2 .

It is a cyclic number.

It is not a de Polignac number, because 4404385789 - 2⁵ = 4404385757 is a prime.

It is a super-2 number, since 2×4404385789² = 38797228356690305042, 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 (4404355789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129540742 + ... + 129540775.

It is an arithmetic number, because the mean of its divisors is an integer number (1165866831).

Almost surely, 2^4404385789 is an apocalyptic number.

It is an amenable number.

4404385789 is a deficient number, since it is larger than the sum of its proper divisors (259081535).

4404385789 is a wasteful number, since it uses less digits than its factorization.

4404385789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259081534.

The product of its (nonzero) digits is 3870720, while the sum is 52.

The square root of 4404385789 is about 66365.5467015830. The cubic root of 4404385789 is about 1639.1868104369.

The spelling of 4404385789 in words is "four billion, four hundred four million, three hundred eighty-five thousand, seven hundred eighty-nine".