6444049 has 2 divisors, whose sum is σ = 6444050. Its totient is φ = 6444048.

The previous prime is 6444043. The next prime is 6444079. The reversal of 6444049 is 9404446.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6225025 + 219024 = 2495^2 + 468^2 .

It is a cyclic number.

It is not a de Polignac number, because 6444049 - 2³ = 6444041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6444049.

It is not a weakly prime, because it can be changed into another prime (6444041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3222024 + 3222025.

It is an arithmetic number, because the mean of its divisors is an integer number (3222025).

Almost surely, 2^6444049 is an apocalyptic number.

It is an amenable number.

6444049 is a deficient number, since it is larger than the sum of its proper divisors (1).

6444049 is an equidigital number, since it uses as much as digits as its factorization.

6444049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 6444049 is about 2538.5131474940. The cubic root of 6444049 is about 186.0885326404.

The spelling of 6444049 in words is "six million, four hundred forty-four thousand, forty-nine".