449211907 has 2 divisors, whose sum is σ = 449211908. Its totient is φ = 449211906.

The previous prime is 449211887. The next prime is 449211923. The reversal of 449211907 is 709112944.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 449211907 - 2⁷ = 449211779 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (449211937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224605953 + 224605954.

It is an arithmetic number, because the mean of its divisors is an integer number (224605954).

Almost surely, 2^449211907 is an apocalyptic number.

449211907 is a deficient number, since it is larger than the sum of its proper divisors (1).

449211907 is an equidigital number, since it uses as much as digits as its factorization.

449211907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 449211907 is about 21194.6197654027. The cubic root of 449211907 is about 765.8618205442.

The spelling of 449211907 in words is "four hundred forty-nine million, two hundred eleven thousand, nine hundred seven".