9798090193 has 4 divisors (see below), whose sum is σ = 9826165300. Its totient is φ = 9770015088.

The previous prime is 9798090179. The next prime is 9798090217. The reversal of 9798090193 is 3910908979.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4132818369 + 5665271824 = 64287^2 + 75268^2 .

It is a cyclic number.

It is not a de Polignac number, because 9798090193 - 2³³ = 1208155601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9798090593) 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, 14037030 + ... + 14037727.

It is an arithmetic number, because the mean of its divisors is an integer number (2456541325).

Almost surely, 2^9798090193 is an apocalyptic number.

It is an amenable number.

9798090193 is a deficient number, since it is larger than the sum of its proper divisors (28075107).

9798090193 is a wasteful number, since it uses less digits than its factorization.

9798090193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28075106.

The product of its (nonzero) digits is 1102248, while the sum is 55.

The square root of 9798090193 is about 98985.3029141195. The cubic root of 9798090193 is about 2139.8359405630.

The spelling of 9798090193 in words is "nine billion, seven hundred ninety-eight million, ninety thousand, one hundred ninety-three".