169103009 has 2 divisors, whose sum is σ = 169103010. Its totient is φ = 169103008.

The previous prime is 169102993. The next prime is 169103017. The reversal of 169103009 is 900301961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93064609 + 76038400 = 9647^2 + 8720^2 .

It is a cyclic number.

It is not a de Polignac number, because 169103009 - 2⁴ = 169102993 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (169103069) 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, 84551504 + 84551505.

It is an arithmetic number, because the mean of its divisors is an integer number (84551505).

Almost surely, 2^169103009 is an apocalyptic number.

It is an amenable number.

169103009 is a deficient number, since it is larger than the sum of its proper divisors (1).

169103009 is an equidigital number, since it uses as much as digits as its factorization.

169103009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 169103009 is about 13003.9612810866. The cubic root of 169103009 is about 552.9897886448.

The spelling of 169103009 in words is "one hundred sixty-nine million, one hundred three thousand, nine".