8190793009 has 15 divisors (see below), whose sum is σ = 9560532857. Its totient is φ = 7016878596.

The previous prime is 8190793007. The next prime is 8190793021. The reversal of 8190793009 is 9003970918.

The square root of 8190793009 is 90503.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 8190793009 - 2¹ = 8190793007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8190793009.

It is not an unprimeable number, because it can be changed into a prime (8190793007) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 4433724 + ... + 4435570.

Almost surely, 2^8190793009 is an apocalyptic number.

8190793009 is the 90503-rd square number.

8190793009 is the 45252-nd centered octagonal number.

It is an amenable number.

8190793009 is a deficient number, since it is larger than the sum of its proper divisors (1369739848).

8190793009 is an frugal number, since it uses more digits than its factorization.

8190793009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3722 (or 1854 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 46.

The cubic root of 8190793009 is about 2015.7746701925.

The spelling of 8190793009 in words is "eight billion, one hundred ninety million, seven hundred ninety-three thousand, nine".