17297999989 has 2 divisors, whose sum is σ = 17297999990. Its totient is φ = 17297999988.

The previous prime is 17297999963. The next prime is 17298000023. The reversal of 17297999989 is 98999979271.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17290935025 + 7064964 = 131495^2 + 2658^2 .

It is a cyclic number.

It is not a de Polignac number, because 17297999989 - 2¹⁵ = 17297967221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17297999959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8648999994 + 8648999995.

It is an arithmetic number, because the mean of its divisors is an integer number (8648999995).

Almost surely, 2^17297999989 is an apocalyptic number.

It is an amenable number.

17297999989 is a deficient number, since it is larger than the sum of its proper divisors (1).

17297999989 is an equidigital number, since it uses as much as digits as its factorization.

17297999989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 416649744, while the sum is 79.

The spelling of 17297999989 in words is "seventeen billion, two hundred ninety-seven million, nine hundred ninety-nine thousand, nine hundred eighty-nine".