449502379 has 2 divisors, whose sum is σ = 449502380. Its totient is φ = 449502378.

The previous prime is 449502371. The next prime is 449502401. The reversal of 449502379 is 973205944.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 449502379 - 2³ = 449502371 is a prime.

It is not a weakly prime, because it can be changed into another prime (449502371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224751189 + 224751190.

It is an arithmetic number, because the mean of its divisors is an integer number (224751190).

Almost surely, 2^449502379 is an apocalyptic number.

449502379 is a deficient number, since it is larger than the sum of its proper divisors (1).

449502379 is an equidigital number, since it uses as much as digits as its factorization.

449502379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 449502379 is about 21201.4711517857. The cubic root of 449502379 is about 766.0268603088.

The spelling of 449502379 in words is "four hundred forty-nine million, five hundred two thousand, three hundred seventy-nine".