17084842681 has 9 divisors (see below), whose sum is σ = 17863101669. Its totient is φ = 16339147836.

The previous prime is 17084842661. The next prime is 17084842741. The reversal of 17084842681 is 18624848071.

The square root of 17084842681 is 130709.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 17084842681 - 2¹⁵ = 17084809913 is a prime.

It is a super-2 number, since 2×17084842681² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17084842601) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3003466 + ... + 3009148.

Almost surely, 2^17084842681 is an apocalyptic number.

17084842681 is the 130709-th square number.

17084842681 is the 65355-th centered octagonal number.

It is an amenable number.

17084842681 is a deficient number, since it is larger than the sum of its proper divisors (778258988).

17084842681 is an frugal number, since it uses more digits than its factorization.

17084842681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11412 (or 5706 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 49.

Multiplying 17084842681 by its sum of digits (49), we get a square (837157291369 = 914963²).

The spelling of 17084842681 in words is "seventeen billion, eighty-four million, eight hundred forty-two thousand, six hundred eighty-one".