17005280945 has 16 divisors (see below), whose sum is σ = 20616964992. Its totient is φ = 13463967360.

The previous prime is 17005280933. The next prime is 17005280947. The reversal of 17005280945 is 54908250071.

It is not a de Polignac number, because 17005280945 - 2⁸ = 17005280689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17005280947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 923549 + ... + 941781.

It is an arithmetic number, because the mean of its divisors is an integer number (1288560312).

Almost surely, 2^17005280945 is an apocalyptic number.

It is an amenable number.

17005280945 is a deficient number, since it is larger than the sum of its proper divisors (3611684047).

17005280945 is a wasteful number, since it uses less digits than its factorization.

17005280945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20152.

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 17005280945 in words is "seventeen billion, five million, two hundred eighty thousand, nine hundred forty-five".