8493340591 has 4 divisors (see below), whose sum is σ = 8558175384. Its totient is φ = 8428505800.

The previous prime is 8493340579. The next prime is 8493340601. The reversal of 8493340591 is 1950433948.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8493340591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8493340501) 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, 32417200 + ... + 32417461.

It is an arithmetic number, because the mean of its divisors is an integer number (2139543846).

Almost surely, 2^8493340591 is an apocalyptic number.

8493340591 is a deficient number, since it is larger than the sum of its proper divisors (64834793).

8493340591 is a wasteful number, since it uses less digits than its factorization.

8493340591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64834792.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 8493340591 is about 92159.3217802735. The cubic root of 8493340591 is about 2040.2944428738.

The spelling of 8493340591 in words is "eight billion, four hundred ninety-three million, three hundred forty thousand, five hundred ninety-one".