9949545819288 has 96 divisors (see below), whose sum is σ = 27890196750000. Its totient is φ = 3200508396288.

The previous prime is 9949545819247. The next prime is 9949545819299. The reversal of 9949545819288 is 8829185459499.

9949545819288 is a `hidden beast` number, since 9 + 9 + 4 + 9 + 5 + 4 + 581 + 9 + 28 + 8 = 666.

It is a super-2 number, since 2×9949545819288² (a number of 27 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 (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2847063 + ... + 5291961.

Almost surely, 2^{9949545819288} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9949545819288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13945098375000).

9949545819288 is an abundant number, since it is smaller than the sum of its proper divisors (17940650930712).

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

9949545819288 is a wasteful number, since it uses less digits than its factorization.

9949545819288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446889 (or 2446882 counting only the distinct ones).

The product of its digits is 2687385600, while the sum is 81.

The spelling of 9949545819288 in words is "nine trillion, nine hundred forty-nine billion, five hundred forty-five million, eight hundred nineteen thousand, two hundred eighty-eight".