17047729080849 has 16 divisors (see below), whose sum is σ = 22751797435200. Its totient is φ = 11354411664960.

The previous prime is 17047729080827. The next prime is 17047729080869. The reversal of 17047729080849 is 94808092774071.

It is not a de Polignac number, because 17047729080849 - 2¹¹ = 17047729078801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 17047729080849.

It is not an unprimeable number, because it can be changed into a prime (17047729080869) 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, 13233219 + ... + 14464215.

It is an arithmetic number, because the mean of its divisors is an integer number (1421987339700).

Almost surely, 2^{17047729080849} is an apocalyptic number.

It is an amenable number.

17047729080849 is a deficient number, since it is larger than the sum of its proper divisors (5704068354351).

17047729080849 is a wasteful number, since it uses less digits than its factorization.

17047729080849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235360.

The product of its (nonzero) digits is 56899584, while the sum is 66.

The spelling of 17047729080849 in words is "seventeen trillion, forty-seven billion, seven hundred twenty-nine million, eighty thousand, eight hundred forty-nine".