17090948321 has 4 divisors (see below), whose sum is σ = 17114265492. Its totient is φ = 17067631152.

The previous prime is 17090948279. The next prime is 17090948333. The reversal of 17090948321 is 12384909071.

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 12129718225 + 4961230096 = 110135^2 + 70436^2 .

It is a cyclic number.

It is not a de Polignac number, because 17090948321 - 2⁶ = 17090948257 is a prime.

It is a super-2 number, since 2×17090948321² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (17090948221) 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, 11657486 + ... + 11658951.

It is an arithmetic number, because the mean of its divisors is an integer number (4278566373).

Almost surely, 2^17090948321 is an apocalyptic number.

It is an amenable number.

17090948321 is a deficient number, since it is larger than the sum of its proper divisors (23317171).

17090948321 is an equidigital number, since it uses as much as digits as its factorization.

17090948321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23317170.

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 17090948321 in words is "seventeen billion, ninety million, nine hundred forty-eight thousand, three hundred twenty-one".