254465242564447 has 2 divisors, whose sum is σ = 254465242564448. Its totient is φ = 254465242564446.

The previous prime is 254465242564381. The next prime is 254465242564469. The reversal of 254465242564447 is 744465242564452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254465242564447 - 2²³ = 254465234175839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254465242364447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127232621282223 + 127232621282224.

It is an arithmetic number, because the mean of its divisors is an integer number (127232621282224).

Almost surely, 2^{254465242564447} is an apocalyptic number.

254465242564447 is a deficient number, since it is larger than the sum of its proper divisors (1).

254465242564447 is an equidigital number, since it uses as much as digits as its factorization.

254465242564447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1032192000, while the sum is 64.

The spelling of 254465242564447 in words is "two hundred fifty-four trillion, four hundred sixty-five billion, two hundred forty-two million, five hundred sixty-four thousand, four hundred forty-seven".