254554650064249 has 2 divisors, whose sum is σ = 254554650064250. Its totient is φ = 254554650064248.

The previous prime is 254554650064199. The next prime is 254554650064391. The reversal of 254554650064249 is 942460056455452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209322098049024 + 45232552015225 = 14467968^2 + 6725515^2 .

It is a cyclic number.

It is not a de Polignac number, because 254554650064249 - 2¹⁹ = 254554649539961 is a prime.

It is not a weakly prime, because it can be changed into another prime (254554650034249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127277325032124 + 127277325032125.

It is an arithmetic number, because the mean of its divisors is an integer number (127277325032125).

Almost surely, 2^{254554650064249} is an apocalyptic number.

It is an amenable number.

254554650064249 is a deficient number, since it is larger than the sum of its proper divisors (1).

254554650064249 is an equidigital number, since it uses as much as digits as its factorization.

254554650064249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360000, while the sum is 61.

The spelling of 254554650064249 in words is "two hundred fifty-four trillion, five hundred fifty-four billion, six hundred fifty million, sixty-four thousand, two hundred forty-nine".