169535089 has 2 divisors, whose sum is σ = 169535090. Its totient is φ = 169535088.

The previous prime is 169535071. The next prime is 169535137. The reversal of 169535089 is 980535961.

169535089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117939600 + 51595489 = 10860^2 + 7183^2 .

It is an emirp because it is prime and its reverse (980535961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 169535089 - 2⁵ = 169535057 is a prime.

It is not a weakly prime, because it can be changed into another prime (169535029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84767544 + 84767545.

It is an arithmetic number, because the mean of its divisors is an integer number (84767545).

Almost surely, 2^169535089 is an apocalyptic number.

It is an amenable number.

169535089 is a deficient number, since it is larger than the sum of its proper divisors (1).

169535089 is an equidigital number, since it uses as much as digits as its factorization.

169535089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 46.

The square root of 169535089 is about 13020.5640814828. The cubic root of 169535089 is about 553.4603748153.

The spelling of 169535089 in words is "one hundred sixty-nine million, five hundred thirty-five thousand, eighty-nine".