4404997779841 has 2 divisors, whose sum is σ = 4404997779842. Its totient is φ = 4404997779840.

The previous prime is 4404997779839. The next prime is 4404997779913. The reversal of 4404997779841 is 1489777994044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4337451849025 + 67545930816 = 2082655^2 + 259896^2 .

It is a cyclic number.

It is not a de Polignac number, because 4404997779841 - 2¹ = 4404997779839 is a prime.

Together with 4404997779839, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4404997779341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2202498889920 + 2202498889921.

It is an arithmetic number, because the mean of its divisors is an integer number (2202498889921).

Almost surely, 2^{4404997779841} is an apocalyptic number.

It is an amenable number.

4404997779841 is a deficient number, since it is larger than the sum of its proper divisors (1).

4404997779841 is an equidigital number, since it uses as much as digits as its factorization.

4404997779841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512096256, while the sum is 73.

The spelling of 4404997779841 in words is "four trillion, four hundred four billion, nine hundred ninety-seven million, seven hundred seventy-nine thousand, eight hundred forty-one".