9698518657853 has 16 divisors (see below), whose sum is σ = 10225037894400. Its totient is φ = 9185490874560.

The previous prime is 9698518657799. The next prime is 9698518657859. The reversal of 9698518657853 is 3587568158969.

It is not a de Polignac number, because 9698518657853 - 2¹² = 9698518653757 is a prime.

It is a super-2 number, since 2×9698518657853² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9698518657859) 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, 5329118 + ... + 6913503.

It is an arithmetic number, because the mean of its divisors is an integer number (639064868400).

Almost surely, 2^{9698518657853} is an apocalyptic number.

It is an amenable number.

9698518657853 is a deficient number, since it is larger than the sum of its proper divisors (526519236547).

9698518657853 is a wasteful number, since it uses less digits than its factorization.

9698518657853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12243172.

The product of its digits is 3919104000, while the sum is 80.

The spelling of 9698518657853 in words is "nine trillion, six hundred ninety-eight billion, five hundred eighteen million, six hundred fifty-seven thousand, eight hundred fifty-three".