17019470940257 has 2 divisors, whose sum is σ = 17019470940258. Its totient is φ = 17019470940256.

The previous prime is 17019470940181. The next prime is 17019470940299. The reversal of 17019470940257 is 75204907491071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14339672474176 + 2679798466081 = 3786776^2 + 1637009^2 .

It is an emirp because it is prime and its reverse (75204907491071) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17019470940257 is a prime.

It is not a weakly prime, because it can be changed into another prime (17019470948257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8509735470128 + 8509735470129.

It is an arithmetic number, because the mean of its divisors is an integer number (8509735470129).

Almost surely, 2^{17019470940257} is an apocalyptic number.

It is an amenable number.

17019470940257 is a deficient number, since it is larger than the sum of its proper divisors (1).

17019470940257 is an equidigital number, since it uses as much as digits as its factorization.

17019470940257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4445280, while the sum is 56.

The spelling of 17019470940257 in words is "seventeen trillion, nineteen billion, four hundred seventy million, nine hundred forty thousand, two hundred fifty-seven".