449415907 has 2 divisors, whose sum is σ = 449415908. Its totient is φ = 449415906.

The previous prime is 449415881. The next prime is 449415917. The reversal of 449415907 is 709514944.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 449415907 - 2²⁷ = 315198179 is a prime.

It is not a weakly prime, because it can be changed into another prime (449415917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224707953 + 224707954.

It is an arithmetic number, because the mean of its divisors is an integer number (224707954).

Almost surely, 2^449415907 is an apocalyptic number.

449415907 is a deficient number, since it is larger than the sum of its proper divisors (1).

449415907 is an equidigital number, since it uses as much as digits as its factorization.

449415907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 449415907 is about 21199.4317612525. The cubic root of 449415907 is about 765.9777362657.

The spelling of 449415907 in words is "four hundred forty-nine million, four hundred fifteen thousand, nine hundred seven".