17982049569 has 8 divisors (see below), whose sum is σ = 26155708512. Its totient is φ = 10898211840.

The previous prime is 17982049567. The next prime is 17982049577. The reversal of 17982049569 is 96594028971.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 17982049569 - 2¹ = 17982049567 is a prime.

It is a super-2 number, since 2×17982049569² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (17982049567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272455264 + ... + 272455329.

It is an arithmetic number, because the mean of its divisors is an integer number (3269463564).

Almost surely, 2^17982049569 is an apocalyptic number.

It is an amenable number.

17982049569 is a deficient number, since it is larger than the sum of its proper divisors (8173658943).

17982049569 is a wasteful number, since it uses less digits than its factorization.

17982049569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544910607.

The product of its (nonzero) digits is 9797760, while the sum is 60.

The spelling of 17982049569 in words is "seventeen billion, nine hundred eighty-two million, forty-nine thousand, five hundred sixty-nine".