4430445685 has 16 divisors (see below), whose sum is σ = 5411578176. Its totient is φ = 3481302528.

The previous prime is 4430445683. The next prime is 4430445697. The reversal of 4430445685 is 5865440344.

It is a cyclic number.

It is not a de Polignac number, because 4430445685 - 2¹ = 4430445683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4430445683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97189 + ... + 135301.

It is an arithmetic number, because the mean of its divisors is an integer number (338223636).

Almost surely, 2^4430445685 is an apocalyptic number.

It is an amenable number.

4430445685 is a deficient number, since it is larger than the sum of its proper divisors (981132491).

4430445685 is a wasteful number, since it uses less digits than its factorization.

4430445685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38532.

The product of its (nonzero) digits is 921600, while the sum is 43.

The square root of 4430445685 is about 66561.5931675317. The cubic root of 4430445685 is about 1642.4133718860.

The spelling of 4430445685 in words is "four billion, four hundred thirty million, four hundred forty-five thousand, six hundred eighty-five".