8193584421 has 12 divisors (see below), whose sum is σ = 12911102880. Its totient is φ = 4965808680.

The previous prime is 8193584383. The next prime is 8193584431. The reversal of 8193584421 is 1244853918.

It is not a de Polignac number, because 8193584421 - 2¹⁰ = 8193583397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8193584431) 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, 41381641 + ... + 41381838.

It is an arithmetic number, because the mean of its divisors is an integer number (1075925240).

Almost surely, 2^8193584421 is an apocalyptic number.

It is an amenable number.

8193584421 is a deficient number, since it is larger than the sum of its proper divisors (4717518459).

8193584421 is a wasteful number, since it uses less digits than its factorization.

8193584421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82763496 (or 82763493 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 8193584421 is about 90518.4203408345. The cubic root of 8193584421 is about 2016.0036353452.

The spelling of 8193584421 in words is "eight billion, one hundred ninety-three million, five hundred eighty-four thousand, four hundred twenty-one".