449105697 has 6 divisors (see below), whose sum is σ = 648708242. Its totient is φ = 299403792.

The previous prime is 449105681. The next prime is 449105719. The reversal of 449105697 is 796501944.

It can be written as a sum of positive squares in only one way, i.e., 386948241 + 62157456 = 19671^2 + 7884^2 .

It is not a de Polignac number, because 449105697 - 2⁴ = 449105681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449105197) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24950308 + ... + 24950325.

Almost surely, 2^449105697 is an apocalyptic number.

It is an amenable number.

449105697 is a deficient number, since it is larger than the sum of its proper divisors (199602545).

449105697 is a wasteful number, since it uses less digits than its factorization.

449105697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49900639 (or 49900636 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 449105697 is about 21192.1140285720. The cubic root of 449105697 is about 765.8014566088.

The spelling of 449105697 in words is "four hundred forty-nine million, one hundred five thousand, six hundred ninety-seven".