10644295589 has 4 divisors (see below), whose sum is σ = 10818792300. Its totient is φ = 10469798880.

The previous prime is 10644295579. The next prime is 10644295609. The reversal of 10644295589 is 98559244601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98559244601 = 31 ⋅3179330471.

It can be written as a sum of positive squares in 2 ways, for example, as 1853733025 + 8790562564 = 43055^2 + 93758^2 .

It is a cyclic number.

It is not a de Polignac number, because 10644295589 - 2²⁴ = 10627518373 is a prime.

It is a super-2 number, since 2×10644295589² (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 10644295589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10644295579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87248264 + ... + 87248385.

It is an arithmetic number, because the mean of its divisors is an integer number (2704698075).

Almost surely, 2^10644295589 is an apocalyptic number.

It is an amenable number.

10644295589 is a deficient number, since it is larger than the sum of its proper divisors (174496711).

10644295589 is an equidigital number, since it uses as much as digits as its factorization.

10644295589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174496710.

The product of its (nonzero) digits is 3110400, while the sum is 53.

The spelling of 10644295589 in words is "ten billion, six hundred forty-four million, two hundred ninety-five thousand, five hundred eighty-nine".