17149029309 has 6 divisors (see below), whose sum is σ = 24770820126. Its totient is φ = 11432686200.

The previous prime is 17149029299. The next prime is 17149029383. The reversal of 17149029309 is 90392094171.

17149029309 is a `hidden beast` number, since 1 + 71 + 490 + 2 + 93 + 0 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16881804900 + 267224409 = 129930^2 + 16347^2 .

It is not a de Polignac number, because 17149029309 - 2⁷ = 17149029181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17149022309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 952723842 + ... + 952723859.

It is an arithmetic number, because the mean of its divisors is an integer number (4128470021).

Almost surely, 2^17149029309 is an apocalyptic number.

It is an amenable number.

17149029309 is a deficient number, since it is larger than the sum of its proper divisors (7621790817).

17149029309 is a wasteful number, since it uses less digits than its factorization.

17149029309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905447707 (or 1905447704 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The spelling of 17149029309 in words is "seventeen billion, one hundred forty-nine million, twenty-nine thousand, three hundred nine".