17045521441 has 4 divisors (see below), whose sum is σ = 18356715412. Its totient is φ = 15734327472.

The previous prime is 17045521417. The next prime is 17045521447. The reversal of 17045521441 is 14412554071.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14412554071 = 8831 ⋅1632041.

It can be written as a sum of positive squares in 2 ways, for example, as 8666865216 + 8378656225 = 93096^2 + 91535^2 .

It is a cyclic number.

It is not a de Polignac number, because 17045521441 - 2¹⁵ = 17045488673 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 17045521397 and 17045521406.

It is not an unprimeable number, because it can be changed into a prime (17045521447) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 655596966 + ... + 655596991.

It is an arithmetic number, because the mean of its divisors is an integer number (4589178853).

Almost surely, 2^17045521441 is an apocalyptic number.

It is an amenable number.

17045521441 is a deficient number, since it is larger than the sum of its proper divisors (1311193971).

17045521441 is a wasteful number, since it uses less digits than its factorization.

17045521441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311193970.

The product of its (nonzero) digits is 22400, while the sum is 34.

The spelling of 17045521441 in words is "seventeen billion, forty-five million, five hundred twenty-one thousand, four hundred forty-one".