10659943009 has 15 divisors (see below), whose sum is σ = 11312411873. Its totient is φ = 10044281148.

The previous prime is 10659943001. The next prime is 10659943013. The reversal of 10659943009 is 90034995601.

The square root of 10659943009 is 103247.

It is a perfect power (a square), and thus also a powerful number.

10659943009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10659943009 - 2³ = 10659943001 is a prime.

It is a super-2 number, since 2×10659943009² (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 10659943009.

It is not an unprimeable number, because it can be changed into a prime (10659943001) 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 14 ways as a sum of consecutive naturals, for example, 159103594 + ... + 159103660.

Almost surely, 2^10659943009 is an apocalyptic number.

10659943009 is the 103247-th square number.

10659943009 is the 51624-th centered octagonal number.

It is an amenable number.

10659943009 is a deficient number, since it is larger than the sum of its proper divisors (652468864).

10659943009 is an frugal number, since it uses more digits than its factorization.

10659943009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 46.

The spelling of 10659943009 in words is "ten billion, six hundred fifty-nine million, nine hundred forty-three thousand, nine".