17121406193 has 8 divisors (see below), whose sum is σ = 18143795880. Its totient is φ = 16127816320.

The previous prime is 17121406187. The next prime is 17121406199. The reversal of 17121406193 is 39160412171.

It is an interprime number because it is at equal distance from previous prime (17121406187) and next prime (17121406199).

It can be written as a sum of positive squares in 4 ways, for example, as 119071744 + 17002334449 = 10912^2 + 130393^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 17121406193 - 2²⁸ = 16852970737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17121406199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7198730 + ... + 7201107.

It is an arithmetic number, because the mean of its divisors is an integer number (2267974485).

Almost surely, 2^17121406193 is an apocalyptic number.

It is an amenable number.

17121406193 is a deficient number, since it is larger than the sum of its proper divisors (1022389687).

17121406193 is a wasteful number, since it uses less digits than its factorization.

17121406193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14399907.

The product of its (nonzero) digits is 9072, while the sum is 35.

The spelling of 17121406193 in words is "seventeen billion, one hundred twenty-one million, four hundred six thousand, one hundred ninety-three".