17129969 has 2 divisors, whose sum is σ = 17129970. Its totient is φ = 17129968.

The previous prime is 17129947. The next prime is 17129989. The reversal of 17129969 is 96992171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16000000 + 1129969 = 4000^2 + 1063^2 .

It is a cyclic number.

It is not a de Polignac number, because 17129969 - 2⁸ = 17129713 is a prime.

It is a super-2 number, since 2×17129969² = 586871675881922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (17129929) 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, 8564984 + 8564985.

It is an arithmetic number, because the mean of its divisors is an integer number (8564985).

Almost surely, 2^17129969 is an apocalyptic number.

It is an amenable number.

17129969 is a deficient number, since it is larger than the sum of its proper divisors (1).

17129969 is an equidigital number, since it uses as much as digits as its factorization.

17129969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61236, while the sum is 44.

The square root of 17129969 is about 4138.8366723030. The cubic root of 17129969 is about 257.7817646543.

The spelling of 17129969 in words is "seventeen million, one hundred twenty-nine thousand, nine hundred sixty-nine".