248443646344847 has 2 divisors, whose sum is σ = 248443646344848. Its totient is φ = 248443646344846.

The previous prime is 248443646344819. The next prime is 248443646344891. The reversal of 248443646344847 is 748443646344842.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 248443646344847 - 2¹⁸ = 248443646082703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248443646844847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124221823172423 + 124221823172424.

It is an arithmetic number, because the mean of its divisors is an integer number (124221823172424).

Almost surely, 2^{248443646344847} is an apocalyptic number.

248443646344847 is a deficient number, since it is larger than the sum of its proper divisors (1).

248443646344847 is an equidigital number, since it uses as much as digits as its factorization.

248443646344847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4756340736, while the sum is 71.

The spelling of 248443646344847 in words is "two hundred forty-eight trillion, four hundred forty-three billion, six hundred forty-six million, three hundred forty-four thousand, eight hundred forty-seven".