170936009 has 2 divisors, whose sum is σ = 170936010. Its totient is φ = 170936008.

The previous prime is 170935991. The next prime is 170936053. The reversal of 170936009 is 900639071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163123984 + 7812025 = 12772^2 + 2795^2 .

It is a cyclic number.

It is not a de Polignac number, because 170936009 - 2⁸ = 170935753 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 170936009.

It is not a weakly prime, because it can be changed into another prime (170936099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85468004 + 85468005.

It is an arithmetic number, because the mean of its divisors is an integer number (85468005).

Almost surely, 2^170936009 is an apocalyptic number.

It is an amenable number.

170936009 is a deficient number, since it is larger than the sum of its proper divisors (1).

170936009 is an equidigital number, since it uses as much as digits as its factorization.

170936009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 170936009 is about 13074.2498446374. The cubic root of 170936009 is about 554.9806653979.

The spelling of 170936009 in words is "one hundred seventy million, nine hundred thirty-six thousand, nine".