4005163915 has 4 divisors (see below), whose sum is σ = 4806196704. Its totient is φ = 3204131128.

The previous prime is 4005163913. The next prime is 4005163927. The reversal of 4005163915 is 5193615004.

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 4005163915 - 2¹ = 4005163913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4005163913) 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, 400516387 + ... + 400516396.

It is an arithmetic number, because the mean of its divisors is an integer number (1201549176).

Almost surely, 2^4005163915 is an apocalyptic number.

4005163915 is a deficient number, since it is larger than the sum of its proper divisors (801032789).

4005163915 is an equidigital number, since it uses as much as digits as its factorization.

4005163915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801032788.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 4005163915 is about 63286.3643686379. The cubic root of 4005163915 is about 1588.0838585648.

Adding to 4005163915 its reverse (5193615004), we get a palindrome (9198778919).

The spelling of 4005163915 in words is "four billion, five million, one hundred sixty-three thousand, nine hundred fifteen".