449604819 has 12 divisors (see below), whose sum is σ = 654171336. Its totient is φ = 297547872.

The previous prime is 449604761. The next prime is 449604863. The reversal of 449604819 is 918406944.

It is not a de Polignac number, because 449604819 - 2⁹ = 449604307 is a prime.

It is a super-2 number, since 2×449604819² = 404288986536045522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (449604889) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181089 + ... + 183554.

It is an arithmetic number, because the mean of its divisors is an integer number (54514278).

Almost surely, 2^449604819 is an apocalyptic number.

449604819 is a deficient number, since it is larger than the sum of its proper divisors (204566517).

449604819 is a wasteful number, since it uses less digits than its factorization.

449604819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364786 (or 364783 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 449604819 is about 21203.8868842484. The cubic root of 449604819 is about 766.0850474915.

The spelling of 449604819 in words is "four hundred forty-nine million, six hundred four thousand, eight hundred nineteen".