449044813 has 8 divisors (see below), whose sum is σ = 517112640. Its totient is φ = 381956640.

The previous prime is 449044807. The next prime is 449044831. The reversal of 449044813 is 318440944.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 449044813 - 2⁹ = 449044301 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 (449044853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243928 + ... + 245761.

It is an arithmetic number, because the mean of its divisors is an integer number (64639080).

Almost surely, 2^449044813 is an apocalyptic number.

It is an amenable number.

449044813 is a deficient number, since it is larger than the sum of its proper divisors (68067827).

449044813 is a wasteful number, since it uses less digits than its factorization.

449044813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489827.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 449044813 is about 21190.6775021470. The cubic root of 449044813 is about 765.7668491929.

The spelling of 449044813 in words is "four hundred forty-nine million, forty-four thousand, eight hundred thirteen".