17100427972 has 6 divisors (see below), whose sum is σ = 29925748958. Its totient is φ = 8550213984.

The previous prime is 17100427961. The next prime is 17100427997. The reversal of 17100427972 is 27972400171.

It can be written as a sum of positive squares in only one way, i.e., 17052181056 + 48246916 = 130584^2 + 6946^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2137553493 + ... + 2137553500.

Almost surely, 2^17100427972 is an apocalyptic number.

It is an amenable number.

17100427972 is a deficient number, since it is larger than the sum of its proper divisors (12825320986).

17100427972 is a wasteful number, since it uses less digits than its factorization.

17100427972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4275106997 (or 4275106995 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 40.

The spelling of 17100427972 in words is "seventeen billion, one hundred million, four hundred twenty-seven thousand, nine hundred seventy-two".