17042411509 has 2 divisors, whose sum is σ = 17042411510. Its totient is φ = 17042411508.

The previous prime is 17042411489. The next prime is 17042411567. The reversal of 17042411509 is 90511424071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10638891025 + 6403520484 = 103145^2 + 80022^2 .

It is an emirp because it is prime and its reverse (90511424071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17042411509 - 2¹⁹ = 17041887221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17042411609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8521205754 + 8521205755.

It is an arithmetic number, because the mean of its divisors is an integer number (8521205755).

Almost surely, 2^17042411509 is an apocalyptic number.

It is an amenable number.

17042411509 is a deficient number, since it is larger than the sum of its proper divisors (1).

17042411509 is an equidigital number, since it uses as much as digits as its factorization.

17042411509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 34.

The spelling of 17042411509 in words is "seventeen billion, forty-two million, four hundred eleven thousand, five hundred nine".