2316440491 has 4 divisors (see below), whose sum is σ = 2317306552. Its totient is φ = 2315574432.

The previous prime is 2316440473. The next prime is 2316440549. The reversal of 2316440491 is 1940446132.

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 2316440491 - 2⁷ = 2316440363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2316440431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429006 + ... + 434371.

It is an arithmetic number, because the mean of its divisors is an integer number (579326638).

Almost surely, 2^2316440491 is an apocalyptic number.

2316440491 is a deficient number, since it is larger than the sum of its proper divisors (866061).

2316440491 is an equidigital number, since it uses as much as digits as its factorization.

2316440491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866060.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 2316440491 is about 48129.4139897838. The cubic root of 2316440491 is about 1323.1438095187.

The spelling of 2316440491 in words is "two billion, three hundred sixteen million, four hundred forty thousand, four hundred ninety-one".