449848879 has 2 divisors, whose sum is σ = 449848880. Its totient is φ = 449848878.

The previous prime is 449848877. The next prime is 449848933. The reversal of 449848879 is 978848944.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 449848879 - 2¹ = 449848877 is a prime.

Together with 449848877, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449848873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224924439 + 224924440.

It is an arithmetic number, because the mean of its divisors is an integer number (224924440).

Almost surely, 2^449848879 is an apocalyptic number.

449848879 is a deficient number, since it is larger than the sum of its proper divisors (1).

449848879 is an equidigital number, since it uses as much as digits as its factorization.

449848879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18579456, while the sum is 61.

The square root of 449848879 is about 21209.6411803689. The cubic root of 449848879 is about 766.2236409761.

The spelling of 449848879 in words is "four hundred forty-nine million, eight hundred forty-eight thousand, eight hundred seventy-nine".