17116910869 has 4 divisors (see below), whose sum is σ = 17144653644. Its totient is φ = 17089168096.

The previous prime is 17116910857. The next prime is 17116910873. The reversal of 17116910869 is 96801961171.

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 8815332100 + 8301578769 = 93890^2 + 91113^2 .

It is a cyclic number.

It is not a de Polignac number, because 17116910869 - 2²¹ = 17114813717 is a prime.

It is a super-2 number, since 2×17116910869² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17116910269) 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, 13870462 + ... + 13871695.

It is an arithmetic number, because the mean of its divisors is an integer number (4286163411).

Almost surely, 2^17116910869 is an apocalyptic number.

It is an amenable number.

17116910869 is a deficient number, since it is larger than the sum of its proper divisors (27742775).

17116910869 is an equidigital number, since it uses as much as digits as its factorization.

17116910869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27742774.

The product of its (nonzero) digits is 163296, while the sum is 49.

The spelling of 17116910869 in words is "seventeen billion, one hundred sixteen million, nine hundred ten thousand, eight hundred sixty-nine".