225054372649 has 2 divisors, whose sum is σ = 225054372650. Its totient is φ = 225054372648.

The previous prime is 225054372637. The next prime is 225054372671. The reversal of 225054372649 is 946273450522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125982403600 + 99071969049 = 354940^2 + 314757^2 .

It is a cyclic number.

It is not a de Polignac number, because 225054372649 - 2²⁹ = 224517501737 is a prime.

It is not a weakly prime, because it can be changed into another prime (225054372679) 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 as a sum of consecutive naturals, namely, 112527186324 + 112527186325.

It is an arithmetic number, because the mean of its divisors is an integer number (112527186325).

Almost surely, 2^225054372649 is an apocalyptic number.

It is an amenable number.

225054372649 is a deficient number, since it is larger than the sum of its proper divisors (1).

225054372649 is an equidigital number, since it uses as much as digits as its factorization.

225054372649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 49.

The spelling of 225054372649 in words is "two hundred twenty-five billion, fifty-four million, three hundred seventy-two thousand, six hundred forty-nine".