9911084646 has 32 divisors (see below), whose sum is σ = 20869920000. Its totient is φ = 3129144480.

The previous prime is 9911084597. The next prime is 9911084647. The reversal of 9911084646 is 6464801199.

It is a junction number, because it is equal to n+sod(n) for n = 9911084595 and 9911084604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9911084647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1021056 + ... + 1030716.

It is an arithmetic number, because the mean of its divisors is an integer number (652185000).

Almost surely, 2^9911084646 is an apocalyptic number.

9911084646 is an abundant number, since it is smaller than the sum of its proper divisors (10958835354).

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

9911084646 is a wasteful number, since it uses less digits than its factorization.

9911084646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18684.

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 9911084646 is about 99554.4305694126. The cubic root of 9911084646 is about 2148.0302598479.

The spelling of 9911084646 in words is "nine billion, nine hundred eleven million, eighty-four thousand, six hundred forty-six".