13444425625 has 20 divisors (see below), whose sum is σ = 16966572084. Its totient is φ = 10649000000.

The previous prime is 13444425587. The next prime is 13444425641. The reversal of 13444425625 is 52652444431.

13444425625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 10 ways, for example, as 10264931856 + 3179493769 = 101316^2 + 56387^2 .

It is not a de Polignac number, because 13444425625 - 2¹³ = 13444417433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 43366 + ... + 169615.

Almost surely, 2^13444425625 is an apocalyptic number.

It is an amenable number.

13444425625 is a deficient number, since it is larger than the sum of its proper divisors (3522146459).

13444425625 is an equidigital number, since it uses as much as digits as its factorization.

13444425625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213102 (or 213087 counting only the distinct ones).

The product of its digits is 460800, while the sum is 40.

The spelling of 13444425625 in words is "thirteen billion, four hundred forty-four million, four hundred twenty-five thousand, six hundred twenty-five".