9843145634 has 32 divisors (see below), whose sum is σ = 17146515456. Its totient is φ = 4150596240.

The previous prime is 9843145633. The next prime is 9843145649. The reversal of 9843145634 is 4365413489.

9843145634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9843145633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 490139 + ... + 509825.

It is an arithmetic number, because the mean of its divisors is an integer number (535828608).

Almost surely, 2^9843145634 is an apocalyptic number.

9843145634 is a deficient number, since it is larger than the sum of its proper divisors (7303369822).

9843145634 is a wasteful number, since it uses less digits than its factorization.

9843145634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20270.

The product of its digits is 1244160, while the sum is 47.

The square root of 9843145634 is about 99212.6283998161. The cubic root of 9843145634 is about 2143.1108593685.

The spelling of 9843145634 in words is "nine billion, eight hundred forty-three million, one hundred forty-five thousand, six hundred thirty-four".