10243556653 has 12 divisors (see below), whose sum is σ = 11370939804. Its totient is φ = 9220112000.

The previous prime is 10243556647. The next prime is 10243556657. The reversal of 10243556653 is 35665534201.

10243556653 is digitally balanced in base 3, 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 2 ways, for example, as 9936501124 + 307055529 = 99682^2 + 17523^2 .

It is not a de Polignac number, because 10243556653 - 2²⁵ = 10210002221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10243556657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 406876 + ... + 431317.

It is an arithmetic number, because the mean of its divisors is an integer number (947578317).

Almost surely, 2^10243556653 is an apocalyptic number.

It is an amenable number.

10243556653 is a deficient number, since it is larger than the sum of its proper divisors (1127383151).

10243556653 is a wasteful number, since it uses less digits than its factorization.

10243556653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838316 (or 838305 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 10243556653 in words is "ten billion, two hundred forty-three million, five hundred fifty-six thousand, six hundred fifty-three".