4085351839 has 4 divisors (see below), whose sum is σ = 4262975856. Its totient is φ = 3907727824.

The previous prime is 4085351801. The next prime is 4085351843. The reversal of 4085351839 is 9381535804.

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

It is a cyclic number.

It is not a de Polignac number, because 4085351839 - 2⁹ = 4085351327 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 (4085355839) 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 3 ways as a sum of consecutive naturals, for example, 88811974 + ... + 88812019.

It is an arithmetic number, because the mean of its divisors is an integer number (1065743964).

Almost surely, 2^4085351839 is an apocalyptic number.

4085351839 is a deficient number, since it is larger than the sum of its proper divisors (177624017).

4085351839 is a wasteful number, since it uses less digits than its factorization.

4085351839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177624016.

The product of its (nonzero) digits is 518400, while the sum is 46.

The square root of 4085351839 is about 63916.7571064115. The cubic root of 4085351839 is about 1598.6123175119.

The spelling of 4085351839 in words is "four billion, eighty-five million, three hundred fifty-one thousand, eight hundred thirty-nine".