17002042081 has 2 divisors, whose sum is σ = 17002042082. Its totient is φ = 17002042080.

The previous prime is 17002042009. The next prime is 17002042121. The reversal of 17002042081 is 18024020071.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15940325025 + 1061717056 = 126255^2 + 32584^2 .

It is an emirp because it is prime and its reverse (18024020071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17002042081 - 2²⁵ = 16968487649 is a prime.

It is a super-2 number, since 2×17002042081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (17002042181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8501021040 + 8501021041.

It is an arithmetic number, because the mean of its divisors is an integer number (8501021041).

Almost surely, 2^17002042081 is an apocalyptic number.

It is an amenable number.

17002042081 is a deficient number, since it is larger than the sum of its proper divisors (1).

17002042081 is an equidigital number, since it uses as much as digits as its factorization.

17002042081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 25.

The spelling of 17002042081 in words is "seventeen billion, two million, forty-two thousand, eighty-one".