4445344049 has 2 divisors, whose sum is σ = 4445344050. Its totient is φ = 4445344048.

The previous prime is 4445344039. The next prime is 4445344069. The reversal of 4445344049 is 9404435444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3979086400 + 466257649 = 63080^2 + 21593^2 .

It is a cyclic number.

It is not a de Polignac number, because 4445344049 - 2²⁰ = 4444295473 is a prime.

It is a super-2 number, since 2×4445344049² = 39522167427959428802, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4445343997 and 4445344015.

It is not a weakly prime, because it can be changed into another prime (4445344039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2222672024 + 2222672025.

It is an arithmetic number, because the mean of its divisors is an integer number (2222672025).

Almost surely, 2^4445344049 is an apocalyptic number.

It is an amenable number.

4445344049 is a deficient number, since it is larger than the sum of its proper divisors (1).

4445344049 is an equidigital number, since it uses as much as digits as its factorization.

4445344049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 552960, while the sum is 41.

The square root of 4445344049 is about 66673.4133594494. The cubic root of 4445344049 is about 1644.2523061841.

The spelling of 4445344049 in words is "four billion, four hundred forty-five million, three hundred forty-four thousand, forty-nine".