254424679687 has 2 divisors, whose sum is σ = 254424679688. Its totient is φ = 254424679686.

The previous prime is 254424679669. The next prime is 254424679697. The reversal of 254424679687 is 786976424452.

254424679687 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 a de Polignac number, because none of the positive numbers 2^k-254424679687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254424679697) 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, 127212339843 + 127212339844.

It is an arithmetic number, because the mean of its divisors is an integer number (127212339844).

Almost surely, 2^254424679687 is an apocalyptic number.

254424679687 is a deficient number, since it is larger than the sum of its proper divisors (1).

254424679687 is an equidigital number, since it uses as much as digits as its factorization.

254424679687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162570240, while the sum is 64.

The spelling of 254424679687 in words is "two hundred fifty-four billion, four hundred twenty-four million, six hundred seventy-nine thousand, six hundred eighty-seven".