9853509149843 has 2 divisors, whose sum is σ = 9853509149844. Its totient is φ = 9853509149842.

The previous prime is 9853509149837. The next prime is 9853509149893. The reversal of 9853509149843 is 3489419053589.

9853509149843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9853509149843 - 2²⁶ = 9853442040979 is a prime.

It is not a weakly prime, because it can be changed into another prime (9853509149893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4926754574921 + 4926754574922.

It is an arithmetic number, because the mean of its divisors is an integer number (4926754574922).

Almost surely, 2^{9853509149843} is an apocalyptic number.

9853509149843 is a deficient number, since it is larger than the sum of its proper divisors (1).

9853509149843 is an equidigital number, since it uses as much as digits as its factorization.

9853509149843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 167961600, while the sum is 68.

The spelling of 9853509149843 in words is "nine trillion, eight hundred fifty-three billion, five hundred nine million, one hundred forty-nine thousand, eight hundred forty-three".