17671948972 has 6 divisors (see below), whose sum is σ = 30925910708. Its totient is φ = 8835974484.

The previous prime is 17671948969. The next prime is 17671949041. The reversal of 17671948972 is 27984917671.

It is a self number, because there is not a number n which added to its sum of digits gives 17671948972.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2208993618 + ... + 2208993625.

Almost surely, 2^17671948972 is an apocalyptic number.

It is an amenable number.

17671948972 is a deficient number, since it is larger than the sum of its proper divisors (13253961736).

17671948972 is a wasteful number, since it uses less digits than its factorization.

17671948972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4417987247 (or 4417987245 counting only the distinct ones).

The product of its digits is 10668672, while the sum is 61.

The spelling of 17671948972 in words is "seventeen billion, six hundred seventy-one million, nine hundred forty-eight thousand, nine hundred seventy-two".