170149429 has 2 divisors, whose sum is σ = 170149430. Its totient is φ = 170149428.

The previous prime is 170149417. The next prime is 170149459. The reversal of 170149429 is 924941071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 161239204 + 8910225 = 12698^2 + 2985^2 .

It is a cyclic number.

It is not a de Polignac number, because 170149429 - 2¹⁷ = 170018357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170149459) 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, 85074714 + 85074715.

It is an arithmetic number, because the mean of its divisors is an integer number (85074715).

Almost surely, 2^170149429 is an apocalyptic number.

It is an amenable number.

170149429 is a deficient number, since it is larger than the sum of its proper divisors (1).

170149429 is an equidigital number, since it uses as much as digits as its factorization.

170149429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 170149429 is about 13044.1338922904. The cubic root of 170149429 is about 554.1280890426.

The spelling of 170149429 in words is "one hundred seventy million, one hundred forty-nine thousand, four hundred twenty-nine".