9949856648144 has 40 divisors (see below), whose sum is σ = 22032209455488. Its totient is φ = 4264149951360.

The previous prime is 9949856648141. The next prime is 9949856648189. The reversal of 9949856648144 is 4418466589499.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9949856648141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5938754 + ... + 7427550.

Almost surely, 2^{9949856648144} is an apocalyptic number.

It is an amenable number.

9949856648144 is an abundant number, since it is smaller than the sum of its proper divisors (12082352807344).

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

9949856648144 is a wasteful number, since it uses less digits than its factorization.

9949856648144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548483 (or 1548477 counting only the distinct ones).

The product of its digits is 2149908480, while the sum is 77.

The spelling of 9949856648144 in words is "nine trillion, nine hundred forty-nine billion, eight hundred fifty-six million, six hundred forty-eight thousand, one hundred forty-four".