8195013193 has 4 divisors (see below), whose sum is σ = 8195331988. Its totient is φ = 8194694400.

The previous prime is 8195013187. The next prime is 8195013247. The reversal of 8195013193 is 3913105918.

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 6509746489 + 1685266704 = 80683^2 + 41052^2 .

It is a cyclic number.

It is not a de Polignac number, because 8195013193 - 2¹³ = 8195005001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8195013793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117096 + ... + 173497.

It is an arithmetic number, because the mean of its divisors is an integer number (2048832997).

Almost surely, 2^8195013193 is an apocalyptic number.

It is an amenable number.

8195013193 is a deficient number, since it is larger than the sum of its proper divisors (318795).

8195013193 is a wasteful number, since it uses less digits than its factorization.

8195013193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318794.

The product of its (nonzero) digits is 29160, while the sum is 40.

The square root of 8195013193 is about 90526.3121583996. The cubic root of 8195013193 is about 2016.1208100349.

The spelling of 8195013193 in words is "eight billion, one hundred ninety-five million, thirteen thousand, one hundred ninety-three".