13444354025 has 6 divisors (see below), whose sum is σ = 16670999022. Its totient is φ = 10755483200.

The previous prime is 13444353997. The next prime is 13444354031. The reversal of 13444354025 is 52045344431.

13444354025 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 3 ways, for example, as 413674921 + 13030679104 = 20339^2 + 114152^2 .

It is not a de Polignac number, because 13444354025 - 2⁶ = 13444353961 is a prime.

It is a Duffinian number.

It is a Curzon 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 5 ways as a sum of consecutive naturals, for example, 268887056 + ... + 268887105.

It is an arithmetic number, because the mean of its divisors is an integer number (2778499837).

Almost surely, 2^13444354025 is an apocalyptic number.

It is an amenable number.

13444354025 is a deficient number, since it is larger than the sum of its proper divisors (3226644997).

13444354025 is an equidigital number, since it uses as much as digits as its factorization.

13444354025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537774171 (or 537774166 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 13444354025 its reverse (52045344431), we get a palindrome (65489698456).

The spelling of 13444354025 in words is "thirteen billion, four hundred forty-four million, three hundred fifty-four thousand, twenty-five".