254343221249633 has 2 divisors, whose sum is σ = 254343221249634. Its totient is φ = 254343221249632.

The previous prime is 254343221249627. The next prime is 254343221249657. The reversal of 254343221249633 is 336942122343452.

254343221249633 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., 159475173209104 + 94868048040529 = 12628348^2 + 9740023^2 .

It is a cyclic number.

It is not a de Polignac number, because 254343221249633 - 2²⁸ = 254342952814177 is a prime.

It is not a weakly prime, because it can be changed into another prime (254343221249683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127171610624816 + 127171610624817.

It is an arithmetic number, because the mean of its divisors is an integer number (127171610624817).

Almost surely, 2^{254343221249633} is an apocalyptic number.

It is an amenable number.

254343221249633 is a deficient number, since it is larger than the sum of its proper divisors (1).

254343221249633 is an equidigital number, since it uses as much as digits as its factorization.

254343221249633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22394880, while the sum is 53.

The spelling of 254343221249633 in words is "two hundred fifty-four trillion, three hundred forty-three billion, two hundred twenty-one million, two hundred forty-nine thousand, six hundred thirty-three".