449864099 has 8 divisors (see below), whose sum is σ = 456142848. Its totient is φ = 443628360.

The previous prime is 449864069. The next prime is 449864101. The reversal of 449864099 is 990468944.

It is a happy number.

It is a Cunningham number, because it is equal to 21210²-1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449864099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 449864099.

It is not an unprimeable number, because it can be changed into a prime (449864069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10604 + ... + 31814.

It is an arithmetic number, because the mean of its divisors is an integer number (57017856).

Almost surely, 2^449864099 is an apocalyptic number.

449864099 is a deficient number, since it is larger than the sum of its proper divisors (6278749).

449864099 is a wasteful number, since it uses less digits than its factorization.

449864099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21505.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The square root of 449864099 is about 21209.9999764262. Note that the first 4 decimals coincide. The cubic root of 449864099 is about 766.2322822427.

The spelling of 449864099 in words is "four hundred forty-nine million, eight hundred sixty-four thousand, ninety-nine".