4044044004409 has 2 divisors, whose sum is σ = 4044044004410. Its totient is φ = 4044044004408.

The previous prime is 4044044004367. The next prime is 4044044004487. The reversal of 4044044004409 is 9044004404404.

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., 2839888928809 + 1204155075600 = 1685197^2 + 1097340^2 .

It is a cyclic number.

It is not a de Polignac number, because 4044044004409 - 2²⁵ = 4044010449977 is a prime.

It is a super-2 number, since 2×4044044004409² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4044044002409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2022022002204 + 2022022002205.

It is an arithmetic number, because the mean of its divisors is an integer number (2022022002205).

Almost surely, 2^{4044044004409} is an apocalyptic number.

It is an amenable number.

4044044004409 is a deficient number, since it is larger than the sum of its proper divisors (1).

4044044004409 is an equidigital number, since it uses as much as digits as its factorization.

4044044004409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147456, while the sum is 37.

The spelling of 4044044004409 in words is "four trillion, forty-four billion, forty-four million, four thousand, four hundred nine".