17041272617 has 4 divisors (see below), whose sum is σ = 18043700436. Its totient is φ = 16038844800.

The previous prime is 17041272607. The next prime is 17041272637. The reversal of 17041272617 is 71627214071.

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 8981542441 + 8059730176 = 94771^2 + 89776^2 .

It is a cyclic number.

It is not a de Polignac number, because 17041272617 - 2¹⁰ = 17041271593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17041272607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501213884 + ... + 501213917.

It is an arithmetic number, because the mean of its divisors is an integer number (4510925109).

Almost surely, 2^17041272617 is an apocalyptic number.

17041272617 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

17041272617 is a deficient number, since it is larger than the sum of its proper divisors (1002427819).

17041272617 is a wasteful number, since it uses less digits than its factorization.

17041272617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002427818.

The product of its (nonzero) digits is 32928, while the sum is 38.

Adding to 17041272617 its reverse (71627214071), we get a palindrome (88668486688).

The spelling of 17041272617 in words is "seventeen billion, forty-one million, two hundred seventy-two thousand, six hundred seventeen".