8199000321 has 32 divisors (see below), whose sum is σ = 11458108800. Its totient is φ = 5208268800.

The previous prime is 8199000247. The next prime is 8199000323. The reversal of 8199000321 is 1230009918.

It is not a de Polignac number, because 8199000321 - 2²⁵ = 8165445889 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8199000323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3047745 + ... + 3050433.

It is an arithmetic number, because the mean of its divisors is an integer number (358065900).

Almost surely, 2^8199000321 is an apocalyptic number.

It is an amenable number.

8199000321 is a deficient number, since it is larger than the sum of its proper divisors (3259108479).

8199000321 is a wasteful number, since it uses less digits than its factorization.

8199000321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 8199000321 is about 90548.3314092535. The cubic root of 8199000321 is about 2016.4477254500.

The spelling of 8199000321 in words is "eight billion, one hundred ninety-nine million, three hundred twenty-one", and thus it is an aban number.