10564728243 has 4 divisors (see below), whose sum is σ = 14086304328. Its totient is φ = 7043152160.

The previous prime is 10564728203. The next prime is 10564728247. The reversal of 10564728243 is 34282746501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10564728243 - 2¹⁰ = 10564727219 is a prime.

It is a super-2 number, since 2×10564728243² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10564728195 and 10564728204.

It is not an unprimeable number, because it can be changed into a prime (10564728247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1760788038 + ... + 1760788043.

It is an arithmetic number, because the mean of its divisors is an integer number (3521576082).

Almost surely, 2^10564728243 is an apocalyptic number.

10564728243 is a deficient number, since it is larger than the sum of its proper divisors (3521576085).

10564728243 is an equidigital number, since it uses as much as digits as its factorization.

10564728243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3521576084.

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 10564728243 in words is "ten billion, five hundred sixty-four million, seven hundred twenty-eight thousand, two hundred forty-three".