17044421680417 has 16 divisors (see below), whose sum is σ = 17601010237440. Its totient is φ = 16488257706000.

The previous prime is 17044421680411. The next prime is 17044421680463. The reversal of 17044421680417 is 71408612444071.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17044421680417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17044421680411) 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, 1389900228 + ... + 1389912490.

It is an arithmetic number, because the mean of its divisors is an integer number (1100063139840).

Almost surely, 2^{17044421680417} is an apocalyptic number.

It is an amenable number.

17044421680417 is a deficient number, since it is larger than the sum of its proper divisors (556588557023).

17044421680417 is a wasteful number, since it uses less digits than its factorization.

17044421680417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25884.

The product of its (nonzero) digits is 1204224, while the sum is 49.

The spelling of 17044421680417 in words is "seventeen trillion, forty-four billion, four hundred twenty-one million, six hundred eighty thousand, four hundred seventeen".