449644079 has 2 divisors, whose sum is σ = 449644080. Its totient is φ = 449644078.

The previous prime is 449644073. The next prime is 449644081. The reversal of 449644079 is 970446944.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 449644079 - 2⁸ = 449643823 is a prime.

Together with 449644081, 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 (449644073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224822039 + 224822040.

It is an arithmetic number, because the mean of its divisors is an integer number (224822040).

Almost surely, 2^449644079 is an apocalyptic number.

449644079 is a deficient number, since it is larger than the sum of its proper divisors (1).

449644079 is an equidigital number, since it uses as much as digits as its factorization.

449644079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 449644079 is about 21204.8126377009. The cubic root of 449644079 is about 766.1073453127.

The spelling of 449644079 in words is "four hundred forty-nine million, six hundred forty-four thousand, seventy-nine".