225149674329 has 20 divisors (see below), whose sum is σ = 337409288436. Its totient is φ = 149620214016.

The previous prime is 225149674319. The next prime is 225149674331. The reversal of 225149674329 is 923476941522.

It is a happy number.

225149674329 is a `hidden beast` number, since 2 + 2 + 5 + 149 + 67 + 432 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 26302352400 + 198847321929 = 162180^2 + 445923^2 .

It is not a de Polignac number, because 225149674329 - 2⁵ = 225149674297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225149674319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4414944 + ... + 4465649.

Almost surely, 2^225149674329 is an apocalyptic number.

It is an amenable number.

225149674329 is a deficient number, since it is larger than the sum of its proper divisors (112259614107).

225149674329 is an equidigital number, since it uses as much as digits as its factorization.

225149674329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8880918 (or 8880909 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The spelling of 225149674329 in words is "two hundred twenty-five billion, one hundred forty-nine million, six hundred seventy-four thousand, three hundred twenty-nine".