4085143681835 has 8 divisors (see below), whose sum is σ = 4902292758480. Its totient is φ = 3268034718624.

The previous prime is 4085143681831. The next prime is 4085143681837. The reversal of 4085143681835 is 5381863415804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4085143681835 - 2² = 4085143681831 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4085143681831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9803852 + ... + 10212041.

It is an arithmetic number, because the mean of its divisors is an integer number (612786594810).

Almost surely, 2^{4085143681835} is an apocalyptic number.

4085143681835 is a deficient number, since it is larger than the sum of its proper divisors (817149076645).

4085143681835 is a wasteful number, since it uses less digits than its factorization.

4085143681835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20056717.

The product of its (nonzero) digits is 11059200, while the sum is 56.

The spelling of 4085143681835 in words is "four trillion, eighty-five billion, one hundred forty-three million, six hundred eighty-one thousand, eight hundred thirty-five".