254610646247 has 2 divisors, whose sum is σ = 254610646248. Its totient is φ = 254610646246.

The previous prime is 254610646223. The next prime is 254610646249. The reversal of 254610646247 is 742646016452.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254610646247 - 2¹⁴ = 254610629863 is a prime.

Together with 254610646249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254610646249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127305323123 + 127305323124.

It is an arithmetic number, because the mean of its divisors is an integer number (127305323124).

Almost surely, 2^254610646247 is an apocalyptic number.

254610646247 is a deficient number, since it is larger than the sum of its proper divisors (1).

254610646247 is an equidigital number, since it uses as much as digits as its factorization.

254610646247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 47.

The spelling of 254610646247 in words is "two hundred fifty-four billion, six hundred ten million, six hundred forty-six thousand, two hundred forty-seven".