4244024003981 has 2 divisors, whose sum is σ = 4244024003982. Its totient is φ = 4244024003980.

The previous prime is 4244024003969. The next prime is 4244024004013. The reversal of 4244024003981 is 1893004204424.

4244024003981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4035418057225 + 208605946756 = 2008835^2 + 456734^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4244024003981 is a prime.

It is a super-2 number, since 2×4244024003981² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4244024003081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2122012001990 + 2122012001991.

It is an arithmetic number, because the mean of its divisors is an integer number (2122012001991).

Almost surely, 2^{4244024003981} is an apocalyptic number.

It is an amenable number.

4244024003981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4244024003981 is an equidigital number, since it uses as much as digits as its factorization.

4244024003981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 221184, while the sum is 41.

The spelling of 4244024003981 in words is "four trillion, two hundred forty-four billion, twenty-four million, three thousand, nine hundred eighty-one".