170093689 has 2 divisors, whose sum is σ = 170093690. Its totient is φ = 170093688.

The previous prime is 170093669. The next prime is 170093701. The reversal of 170093689 is 986390071.

170093689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110418064 + 59675625 = 10508^2 + 7725^2 .

It is an emirp because it is prime and its reverse (986390071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 170093689 - 2¹⁵ = 170060921 is a prime.

It is not a weakly prime, because it can be changed into another prime (170093669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85046844 + 85046845.

It is an arithmetic number, because the mean of its divisors is an integer number (85046845).

Almost surely, 2^170093689 is an apocalyptic number.

It is an amenable number.

170093689 is a deficient number, since it is larger than the sum of its proper divisors (1).

170093689 is an equidigital number, since it uses as much as digits as its factorization.

170093689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 170093689 is about 13041.9971246738. The cubic root of 170093689 is about 554.0675726810.

The spelling of 170093689 in words is "one hundred seventy million, ninety-three thousand, six hundred eighty-nine".