254551860779 has 2 divisors, whose sum is σ = 254551860780. Its totient is φ = 254551860778.

The previous prime is 254551860769. The next prime is 254551860781. The reversal of 254551860779 is 977068155452.

254551860779 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 is a cyclic number.

It is not a de Polignac number, because 254551860779 - 2²⁰ = 254550812203 is a prime.

Together with 254551860781, 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 (254551860709) 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, 127275930389 + 127275930390.

It is an arithmetic number, because the mean of its divisors is an integer number (127275930390).

Almost surely, 2^254551860779 is an apocalyptic number.

254551860779 is a deficient number, since it is larger than the sum of its proper divisors (1).

254551860779 is an equidigital number, since it uses as much as digits as its factorization.

254551860779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168000, while the sum is 59.

The spelling of 254551860779 in words is "two hundred fifty-four billion, five hundred fifty-one million, eight hundred sixty thousand, seven hundred seventy-nine".