10659961049 has 4 divisors (see below), whose sum is σ = 10690505700. Its totient is φ = 10629416400.

The previous prime is 10659961043. The next prime is 10659961051. The reversal of 10659961049 is 94016995601.

10659961049 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 can be written as a sum of positive squares in 2 ways, for example, as 7661851024 + 2998110025 = 87532^2 + 54755^2 .

It is a cyclic number.

It is not a de Polignac number, because 10659961049 - 2¹⁶ = 10659895513 is a prime.

It is a super-2 number, since 2×10659961049² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10659960988 and 10659961006.

It is not an unprimeable number, because it can be changed into a prime (10659961043) 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, 15271802 + ... + 15272499.

It is an arithmetic number, because the mean of its divisors is an integer number (2672626425).

Almost surely, 2^10659961049 is an apocalyptic number.

It is an amenable number.

10659961049 is a deficient number, since it is larger than the sum of its proper divisors (30544651).

10659961049 is an equidigital number, since it uses as much as digits as its factorization.

10659961049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30544650.

The product of its (nonzero) digits is 524880, while the sum is 50.

The spelling of 10659961049 in words is "ten billion, six hundred fifty-nine million, nine hundred sixty-one thousand, forty-nine".