244043743861 has 2 divisors, whose sum is σ = 244043743862. Its totient is φ = 244043743860.

The previous prime is 244043743841. The next prime is 244043743883. The reversal of 244043743861 is 168347340442.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218374897636 + 25668846225 = 467306^2 + 160215^2 .

It is a cyclic number.

It is not a de Polignac number, because 244043743861 - 2¹⁷ = 244043612789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244043743841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122021871930 + 122021871931.

It is an arithmetic number, because the mean of its divisors is an integer number (122021871931).

Almost surely, 2^244043743861 is an apocalyptic number.

It is an amenable number.

244043743861 is a deficient number, since it is larger than the sum of its proper divisors (1).

244043743861 is an equidigital number, since it uses as much as digits as its factorization.

244043743861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1548288, while the sum is 46.

The spelling of 244043743861 in words is "two hundred forty-four billion, forty-three million, seven hundred forty-three thousand, eight hundred sixty-one".