17717017012 has 6 divisors (see below), whose sum is σ = 31004779778. Its totient is φ = 8858508504.

The previous prime is 17717016983. The next prime is 17717017013. The reversal of 17717017012 is 21071071771.

It can be written as a sum of positive squares in only one way, i.e., 12851396496 + 4865620516 = 113364^2 + 69754^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17717017013) 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, 2214627123 + ... + 2214627130.

Almost surely, 2^17717017012 is an apocalyptic number.

It is an amenable number.

17717017012 is a deficient number, since it is larger than the sum of its proper divisors (13287762766).

17717017012 is a wasteful number, since it uses less digits than its factorization.

17717017012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4429254257 (or 4429254255 counting only the distinct ones).

The product of its (nonzero) digits is 4802, while the sum is 34.

Adding to 17717017012 its reverse (21071071771), we get a palindrome (38788088783).

The spelling of 17717017012 in words is "seventeen billion, seven hundred seventeen million, seventeen thousand, twelve".