9853505149844 has 6 divisors (see below), whose sum is σ = 17243634012234. Its totient is φ = 4926752574920.

The previous prime is 9853505149843. The next prime is 9853505149861. The reversal of 9853505149844 is 4489415053589.

9853505149844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9443697763600 + 409807386244 = 3073060^2 + 640162^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9853505149843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1231688143727 + ... + 1231688143734.

It is an arithmetic number, because the mean of its divisors is an integer number (2873939002039).

Almost surely, 2^{9853505149844} is an apocalyptic number.

It is an amenable number.

9853505149844 is a deficient number, since it is larger than the sum of its proper divisors (7390128862390).

9853505149844 is a wasteful number, since it uses less digits than its factorization.

9853505149844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2463376287465 (or 2463376287463 counting only the distinct ones).

The product of its (nonzero) digits is 124416000, while the sum is 65.

The spelling of 9853505149844 in words is "nine trillion, eight hundred fifty-three billion, five hundred five million, one hundred forty-nine thousand, eight hundred forty-four".