244927387813 has 2 divisors, whose sum is σ = 244927387814. Its totient is φ = 244927387812.

The previous prime is 244927387729. The next prime is 244927387841. The reversal of 244927387813 is 318783729442.

244927387813 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 can be written as a sum of positive squares in only one way, i.e., 241987254084 + 2940133729 = 491922^2 + 54223^2 .

It is a cyclic number.

It is not a de Polignac number, because 244927387813 - 2⁹ = 244927387301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244927387853) 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, 122463693906 + 122463693907.

It is an arithmetic number, because the mean of its divisors is an integer number (122463693907).

Almost surely, 2^244927387813 is an apocalyptic number.

It is an amenable number.

244927387813 is a deficient number, since it is larger than the sum of its proper divisors (1).

244927387813 is an equidigital number, since it uses as much as digits as its factorization.

244927387813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16257024, while the sum is 58.

The spelling of 244927387813 in words is "two hundred forty-four billion, nine hundred twenty-seven million, three hundred eighty-seven thousand, eight hundred thirteen".