10521750243 has 4 divisors (see below), whose sum is σ = 14029000328. Its totient is φ = 7014500160.

The previous prime is 10521750227. The next prime is 10521750259. The reversal of 10521750243 is 34205712501.

10521750243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (10521750227) and next prime (10521750259).

It is not a de Polignac number, because 10521750243 - 2⁴ = 10521750227 is a prime.

It is a super-2 number, since 2×10521750243² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10521750243.

It is not an unprimeable number, because it can be changed into a prime (10521750203) 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 3 ways as a sum of consecutive naturals, for example, 1753625038 + ... + 1753625043.

It is an arithmetic number, because the mean of its divisors is an integer number (3507250082).

Almost surely, 2^10521750243 is an apocalyptic number.

10521750243 is a deficient number, since it is larger than the sum of its proper divisors (3507250085).

10521750243 is an equidigital number, since it uses as much as digits as its factorization.

10521750243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3507250084.

The product of its (nonzero) digits is 8400, while the sum is 30.

The spelling of 10521750243 in words is "ten billion, five hundred twenty-one million, seven hundred fifty thousand, two hundred forty-three".