254104159817 has 2 divisors, whose sum is σ = 254104159818. Its totient is φ = 254104159816.

The previous prime is 254104159801. The next prime is 254104159819. The reversal of 254104159817 is 718951401452.

254104159817 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., 178357560976 + 75746598841 = 422324^2 + 275221^2 .

It is a cyclic number.

It is not a de Polignac number, because 254104159817 - 2⁴ = 254104159801 is a prime.

Together with 254104159819, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (254104159819) 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, 127052079908 + 127052079909.

It is an arithmetic number, because the mean of its divisors is an integer number (127052079909).

Almost surely, 2^254104159817 is an apocalyptic number.

It is an amenable number.

254104159817 is a deficient number, since it is larger than the sum of its proper divisors (1).

254104159817 is an equidigital number, since it uses as much as digits as its factorization.

254104159817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 403200, while the sum is 47.

The spelling of 254104159817 in words is "two hundred fifty-four billion, one hundred four million, one hundred fifty-nine thousand, eight hundred seventeen".