9995561296 has 40 divisors (see below), whose sum is σ = 22281609600. Its totient is φ = 4255054464.

The previous prime is 9995561243. The next prime is 9995561309. The reversal of 9995561296 is 6921655999.

It is a super-2 number, since 2×9995561296² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 282796 + ... + 316171.

It is an arithmetic number, because the mean of its divisors is an integer number (557040240).

Almost surely, 2^9995561296 is an apocalyptic number.

It is an amenable number.

9995561296 is an abundant number, since it is smaller than the sum of its proper divisors (12286048304).

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

9995561296 is a wasteful number, since it uses less digits than its factorization.

9995561296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599131 (or 599125 counting only the distinct ones).

The product of its digits is 11809800, while the sum is 61.

The square root of 9995561296 is about 99977.8040166916. The cubic root of 9995561296 is about 2154.1158795945.

The spelling of 9995561296 in words is "nine billion, nine hundred ninety-five million, five hundred sixty-one thousand, two hundred ninety-six".