4328516985 has 64 divisors (see below), whose sum is σ = 7711925760. Its totient is φ = 2059499520.

The previous prime is 4328516953. The next prime is 4328516987. The reversal of 4328516985 is 5896158234.

4328516985 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4328516985 - 2⁵ = 4328516953 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4328516987) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 868972 + ... + 873938.

It is an arithmetic number, because the mean of its divisors is an integer number (120498840).

Almost surely, 2^4328516985 is an apocalyptic number.

It is an amenable number.

4328516985 is a deficient number, since it is larger than the sum of its proper divisors (3383408775).

4328516985 is a wasteful number, since it uses less digits than its factorization.

4328516985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5138.

The product of its digits is 2073600, while the sum is 51.

The square root of 4328516985 is about 65791.4658979415. The cubic root of 4328516985 is about 1629.7201754082.

The spelling of 4328516985 in words is "four billion, three hundred twenty-eight million, five hundred sixteen thousand, nine hundred eighty-five".