254333042452949 has 2 divisors, whose sum is σ = 254333042452950. Its totient is φ = 254333042452948.

The previous prime is 254333042452939. The next prime is 254333042452987. The reversal of 254333042452949 is 949254240333452.

254333042452949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 254268059266225 + 64983186724 = 15945785^2 + 254918^2 .

It is a cyclic number.

It is not a de Polignac number, because 254333042452949 - 2²⁸ = 254332774017493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254333042452939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127166521226474 + 127166521226475.

It is an arithmetic number, because the mean of its divisors is an integer number (127166521226475).

Almost surely, 2^{254333042452949} is an apocalyptic number.

It is an amenable number.

254333042452949 is a deficient number, since it is larger than the sum of its proper divisors (1).

254333042452949 is an equidigital number, since it uses as much as digits as its factorization.

254333042452949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 111974400, while the sum is 59.

The spelling of 254333042452949 in words is "two hundred fifty-four trillion, three hundred thirty-three billion, forty-two million, four hundred fifty-two thousand, nine hundred forty-nine".