9698507616617 has 6 divisors (see below), whose sum is σ = 10021454801514. Its totient is φ = 9385652531280.

The previous prime is 9698507616533. The next prime is 9698507616659. The reversal of 9698507616617 is 7166167058969.

It can be written as a sum of positive squares in only one way, i.e., 9627498158041 + 71009458576 = 3102821^2 + 266476^2 .

It is not a de Polignac number, because 9698507616617 - 2¹⁰ = 9698507615593 is a prime.

It is a super-2 number, since 2×9698507616617² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9698507616817) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5046048788 + ... + 5046050709.

It is an arithmetic number, because the mean of its divisors is an integer number (1670242466919).

Almost surely, 2^{9698507616617} is an apocalyptic number.

It is an amenable number.

9698507616617 is a deficient number, since it is larger than the sum of its proper divisors (322947184897).

9698507616617 is a wasteful number, since it uses less digits than its factorization.

9698507616617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10092099559 (or 10092099528 counting only the distinct ones).

The product of its (nonzero) digits is 205752960, while the sum is 71.

The spelling of 9698507616617 in words is "nine trillion, six hundred ninety-eight billion, five hundred seven million, six hundred sixteen thousand, six hundred seventeen".