4889785329 has 81 divisors (see below), whose sum is σ = 8458508331. Its totient is φ = 2718761760.

The previous prime is 4889785319. The next prime is 4889785333. The reversal of 4889785329 is 9235879884.

The square root of 4889785329 is 69927.

It is a perfect power (a square), and thus also a powerful number.

4889785329 is a `hidden beast` number, since 4 + 8 + 8 + 97 + 8 + 532 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 723341025 + 4166444304 = 26895^2 + 64548^2 .

It is not a de Polignac number, because 4889785329 - 2⁵ = 4889785297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4889785309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 29998602 + ... + 29998764.

Almost surely, 2^4889785329 is an apocalyptic number.

4889785329 is the 69927-th square number.

4889785329 is the 34964-th centered octagonal number.

It is an amenable number.

4889785329 is a deficient number, since it is larger than the sum of its proper divisors (3568723002).

4889785329 is a wasteful number, since it uses less digits than its factorization.

4889785329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380 (or 190 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 63.

The cubic root of 4889785329 is about 1697.3181855168.

The spelling of 4889785329 in words is "four billion, eight hundred eighty-nine million, seven hundred eighty-five thousand, three hundred twenty-nine".