449476209 has 120 divisors (see below), whose sum is σ = 882018368. Its totient is φ = 222082560.

The previous prime is 449476207. The next prime is 449476211. The reversal of 449476209 is 902674944.

It is an interprime number because it is at equal distance from previous prime (449476207) and next prime (449476211).

It is not a de Polignac number, because 449476209 - 2¹ = 449476207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (449476201) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2130114 + ... + 2130324.

Almost surely, 2^449476209 is an apocalyptic number.

It is an amenable number.

449476209 is a deficient number, since it is larger than the sum of its proper divisors (432542159).

449476209 is a wasteful number, since it uses less digits than its factorization.

449476209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 449476209 is about 21200.8539686495. The cubic root of 449476209 is about 766.0119940085.

The spelling of 449476209 in words is "four hundred forty-nine million, four hundred seventy-six thousand, two hundred nine".