449211911 has 4 divisors (see below), whose sum is σ = 449314512. Its totient is φ = 449109312.

The previous prime is 449211907. The next prime is 449211923. The reversal of 449211911 is 119112944.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 449211911 - 2² = 449211907 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449211611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44426 + ... + 53591.

It is an arithmetic number, because the mean of its divisors is an integer number (112328628).

Almost surely, 2^449211911 is an apocalyptic number.

449211911 is a deficient number, since it is larger than the sum of its proper divisors (102601).

449211911 is an equidigital number, since it uses as much as digits as its factorization.

449211911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102600.

The product of its digits is 2592, while the sum is 32.

The square root of 449211911 is about 21194.6198597663. The cubic root of 449211911 is about 765.8618228174.

The spelling of 449211911 in words is "four hundred forty-nine million, two hundred eleven thousand, nine hundred eleven".