170768543009 has 2 divisors, whose sum is σ = 170768543010. Its totient is φ = 170768543008.

The previous prime is 170768542951. The next prime is 170768543047. The reversal of 170768543009 is 900345867071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104846440000 + 65922103009 = 323800^2 + 256753^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-170768543009 is a prime.

It is not a weakly prime, because it can be changed into another prime (170768543069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85384271504 + 85384271505.

It is an arithmetic number, because the mean of its divisors is an integer number (85384271505).

Almost surely, 2^170768543009 is an apocalyptic number.

It is an amenable number.

170768543009 is a deficient number, since it is larger than the sum of its proper divisors (1).

170768543009 is an equidigital number, since it uses as much as digits as its factorization.

170768543009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 170768543009 in words is "one hundred seventy billion, seven hundred sixty-eight million, five hundred forty-three thousand, nine".