9469840009856 has 32 divisors (see below), whose sum is σ = 19375580604180. Its totient is φ = 4606949191680.

The previous prime is 9469840009753. The next prime is 9469840009859. The reversal of 9469840009856 is 6589000489649.

It can be written as a sum of positive squares in 2 ways, for example, as 8920735297600 + 549104712256 = 2986760^2 + 741016^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (9469840009859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 999767225 + ... + 999776696.

Almost surely, 2^{9469840009856} is an apocalyptic number.

It is an amenable number.

9469840009856 is an abundant number, since it is smaller than the sum of its proper divisors (9905740594324).

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

9469840009856 is a wasteful number, since it uses less digits than its factorization.

9469840009856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999543972 (or 1999543960 counting only the distinct ones).

The product of its (nonzero) digits is 134369280, while the sum is 68.

The spelling of 9469840009856 in words is "nine trillion, four hundred sixty-nine billion, eight hundred forty million, nine thousand, eight hundred fifty-six".