449309039 has 2 divisors, whose sum is σ = 449309040. Its totient is φ = 449309038.

The previous prime is 449309033. The next prime is 449309083. The reversal of 449309039 is 930903944.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449309039 is a prime.

It is a super-2 number, since 2×449309039² = 403757225054207042, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 449308987 and 449309005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449309033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224654519 + 224654520.

It is an arithmetic number, because the mean of its divisors is an integer number (224654520).

Almost surely, 2^449309039 is an apocalyptic number.

449309039 is a deficient number, since it is larger than the sum of its proper divisors (1).

449309039 is an equidigital number, since it uses as much as digits as its factorization.

449309039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 449309039 is about 21196.9110721350. The cubic root of 449309039 is about 765.9170167134.

The spelling of 449309039 in words is "four hundred forty-nine million, three hundred nine thousand, thirty-nine".