17326542085 has 4 divisors (see below), whose sum is σ = 20791850508. Its totient is φ = 13861233664.

The previous prime is 17326542071. The next prime is 17326542097. The reversal of 17326542085 is 58024562371.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58024562371 = 23053 ⋅2517007.

It can be written as a sum of positive squares in 2 ways, for example, as 9066277089 + 8260264996 = 95217^2 + 90886^2 .

It is a cyclic number.

It is not a de Polignac number, because 17326542085 - 2¹³ = 17326533893 is a prime.

It is a super-2 number, since 2×17326542085² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1732654204 + ... + 1732654213.

It is an arithmetic number, because the mean of its divisors is an integer number (5197962627).

Almost surely, 2^17326542085 is an apocalyptic number.

It is an amenable number.

17326542085 is a deficient number, since it is larger than the sum of its proper divisors (3465308423).

17326542085 is an equidigital number, since it uses as much as digits as its factorization.

17326542085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3465308422.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 17326542085 in words is "seventeen billion, three hundred twenty-six million, five hundred forty-two thousand, eighty-five".