4085418213 has 12 divisors (see below), whose sum is σ = 5901725388. Its totient is φ = 2723351040.

The previous prime is 4085418193. The next prime is 4085418229. The reversal of 4085418213 is 3128145804.

4085418213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3817015524 + 268402689 = 61782^2 + 16383^2 .

It is not a de Polignac number, because 4085418213 - 2²¹ = 4083321061 is a prime.

It is a super-2 number, since 2×4085418213² = 33381283950224226738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4085418913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142981 + ... + 169157.

It is an arithmetic number, because the mean of its divisors is an integer number (491810449).

Almost surely, 2^4085418213 is an apocalyptic number.

It is an amenable number.

4085418213 is a deficient number, since it is larger than the sum of its proper divisors (1816307175).

4085418213 is a wasteful number, since it uses less digits than its factorization.

4085418213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43524 (or 43521 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 4085418213 is about 63917.2763265144. The cubic root of 4085418213 is about 1598.6209749237.

The spelling of 4085418213 in words is "four billion, eighty-five million, four hundred eighteen thousand, two hundred thirteen".