9565897516 has 48 divisors (see below), whose sum is σ = 19451206656. Its totient is φ = 4031558784.

The previous prime is 9565897513. The next prime is 9565897541. The reversal of 9565897516 is 6157985659.

It is a super-2 number, since 2×9565897516² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9565897513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 702525 + ... + 716011.

It is an arithmetic number, because the mean of its divisors is an integer number (405233472).

Almost surely, 2^9565897516 is an apocalyptic number.

It is an amenable number.

9565897516 is an abundant number, since it is smaller than the sum of its proper divisors (9885309140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9565897516 is a wasteful number, since it uses less digits than its factorization.

9565897516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13918 (or 13916 counting only the distinct ones).

The product of its digits is 20412000, while the sum is 61.

The square root of 9565897516 is about 97805.4063740855. The cubic root of 9565897516 is about 2122.7975346707.

The spelling of 9565897516 in words is "nine billion, five hundred sixty-five million, eight hundred ninety-seven thousand, five hundred sixteen".