4091330885 has 4 divisors (see below), whose sum is σ = 4909597068. Its totient is φ = 3273064704.

The previous prime is 4091330879. The next prime is 4091330897. The reversal of 4091330885 is 5880331904.

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

It can be written as a sum of positive squares in 2 ways, for example, as 773340481 + 3317990404 = 27809^2 + 57602^2 .

It is a cyclic number.

It is not a de Polignac number, because 4091330885 - 2²⁰ = 4090282309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 409133084 + ... + 409133093.

It is an arithmetic number, because the mean of its divisors is an integer number (1227399267).

Almost surely, 2^4091330885 is an apocalyptic number.

It is an amenable number.

4091330885 is a deficient number, since it is larger than the sum of its proper divisors (818266183).

4091330885 is an equidigital number, since it uses as much as digits as its factorization.

4091330885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818266182.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 4091330885 is about 63963.5121377806. The cubic root of 4091330885 is about 1599.3918111635.

The spelling of 4091330885 in words is "four billion, ninety-one million, three hundred thirty thousand, eight hundred eighty-five".