4244001103981 has 2 divisors, whose sum is σ = 4244001103982. Its totient is φ = 4244001103980.

The previous prime is 4244001103949. The next prime is 4244001104069. The reversal of 4244001103981 is 1893011004424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2365031833956 + 1878969270025 = 1537866^2 + 1370755^2 .

It is a cyclic number.

It is not a de Polignac number, because 4244001103981 - 2⁵ = 4244001103949 is a prime.

It is a super-2 number, since 2×4244001103981² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4244001103981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4244001103081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2122000551990 + 2122000551991.

It is an arithmetic number, because the mean of its divisors is an integer number (2122000551991).

Almost surely, 2^{4244001103981} is an apocalyptic number.

It is an amenable number.

4244001103981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4244001103981 is an equidigital number, since it uses as much as digits as its factorization.

4244001103981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 4244001103981 in words is "four trillion, two hundred forty-four billion, one million, one hundred three thousand, nine hundred eighty-one".