244245243647 has 2 divisors, whose sum is σ = 244245243648. Its totient is φ = 244245243646.

The previous prime is 244245243643. The next prime is 244245243659. The reversal of 244245243647 is 746342542442.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 244245243647 - 2² = 244245243643 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244245243643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122122621823 + 122122621824.

It is an arithmetic number, because the mean of its divisors is an integer number (122122621824).

Almost surely, 2^244245243647 is an apocalyptic number.

244245243647 is a deficient number, since it is larger than the sum of its proper divisors (1).

244245243647 is an equidigital number, since it uses as much as digits as its factorization.

244245243647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5160960, while the sum is 47.

The spelling of 244245243647 in words is "two hundred forty-four billion, two hundred forty-five million, two hundred forty-three thousand, six hundred forty-seven".