449408759 has 2 divisors, whose sum is σ = 449408760. Its totient is φ = 449408758.

The previous prime is 449408711. The next prime is 449408761. The reversal of 449408759 is 957804944.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449408759 is a prime.

Together with 449408761, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449408779) 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, 224704379 + 224704380.

It is an arithmetic number, because the mean of its divisors is an integer number (224704380).

Almost surely, 2^449408759 is an apocalyptic number.

449408759 is a deficient number, since it is larger than the sum of its proper divisors (1).

449408759 is an equidigital number, since it uses as much as digits as its factorization.

449408759 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 449408759 is about 21199.2631711576. The cubic root of 449408759 is about 765.9736752628.

The spelling of 449408759 in words is "four hundred forty-nine million, four hundred eight thousand, seven hundred fifty-nine".