254666317063 has 2 divisors, whose sum is σ = 254666317064. Its totient is φ = 254666317062.

The previous prime is 254666317043. The next prime is 254666317109. The reversal of 254666317063 is 360713666452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254666317063 - 2²¹ = 254664219911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 254666316998 and 254666317016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254666317033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127333158531 + 127333158532.

It is an arithmetic number, because the mean of its divisors is an integer number (127333158532).

Almost surely, 2^254666317063 is an apocalyptic number.

254666317063 is a deficient number, since it is larger than the sum of its proper divisors (1).

254666317063 is an equidigital number, since it uses as much as digits as its factorization.

254666317063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 49.

The spelling of 254666317063 in words is "two hundred fifty-four billion, six hundred sixty-six million, three hundred seventeen thousand, sixty-three".