17197327189 has 12 divisors (see below), whose sum is σ = 20007245100. Its totient is φ = 14738951808.

The previous prime is 17197327183. The next prime is 17197327193. The reversal of 17197327189 is 98172379171.

It can be written as a sum of positive squares in 2 ways, for example, as 16106148100 + 1091179089 = 126910^2 + 33033^2 .

It is not a de Polignac number, because 17197327189 - 2⁷ = 17197327061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17197327183) 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, 719767 + ... + 743275.

It is an arithmetic number, because the mean of its divisors is an integer number (1667270425).

Almost surely, 2^17197327189 is an apocalyptic number.

It is an amenable number.

17197327189 is a deficient number, since it is larger than the sum of its proper divisors (2809917911).

17197327189 is a wasteful number, since it uses less digits than its factorization.

17197327189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38452 (or 38445 counting only the distinct ones).

The product of its digits is 1333584, while the sum is 55.

The spelling of 17197327189 in words is "seventeen billion, one hundred ninety-seven million, three hundred twenty-seven thousand, one hundred eighty-nine".