4285085639 has 4 divisors (see below), whose sum is σ = 4423314240. Its totient is φ = 4146857040.

The previous prime is 4285085611. The next prime is 4285085653. The reversal of 4285085639 is 9365805824.

4285085639 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4285085639 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 (4285085659) 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, 69114254 + ... + 69114315.

It is an arithmetic number, because the mean of its divisors is an integer number (1105828560).

Almost surely, 2^4285085639 is an apocalyptic number.

4285085639 is a deficient number, since it is larger than the sum of its proper divisors (138228601).

4285085639 is a wasteful number, since it uses less digits than its factorization.

4285085639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138228600.

The product of its (nonzero) digits is 2073600, while the sum is 50.

The square root of 4285085639 is about 65460.5655261242. The cubic root of 4285085639 is about 1624.2510965201.

The spelling of 4285085639 in words is "four billion, two hundred eighty-five million, eighty-five thousand, six hundred thirty-nine".