254403550249 has 2 divisors, whose sum is σ = 254403550250. Its totient is φ = 254403550248.

The previous prime is 254403550201. The next prime is 254403550253. The reversal of 254403550249 is 942055304452.

254403550249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204039213849 + 50364336400 = 451707^2 + 224420^2 .

It is a cyclic number.

It is not a de Polignac number, because 254403550249 - 2²⁷ = 254269332521 is a prime.

It is not a weakly prime, because it can be changed into another prime (254403557249) 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 as a sum of consecutive naturals, namely, 127201775124 + 127201775125.

It is an arithmetic number, because the mean of its divisors is an integer number (127201775125).

Almost surely, 2^254403550249 is an apocalyptic number.

It is an amenable number.

254403550249 is a deficient number, since it is larger than the sum of its proper divisors (1).

254403550249 is an equidigital number, since it uses as much as digits as its factorization.

254403550249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 254403550249 in words is "two hundred fifty-four billion, four hundred three million, five hundred fifty thousand, two hundred forty-nine".