449766549 has 6 divisors (see below), whose sum is σ = 649662806. Its totient is φ = 299844360.

The previous prime is 449766529. The next prime is 449766553. The reversal of 449766549 is 945667944.

It is a happy number.

449766549 is a `hidden beast` number, since 4 + 4 + 97 + 6 + 6 + 549 = 666.

It can be written as a sum of positive squares in only one way, i.e., 313927524 + 135839025 = 17718^2 + 11655^2 .

It is not a de Polignac number, because 449766549 - 2⁵ = 449766517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 449766495 and 449766504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449766529) 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, 24987022 + ... + 24987039.

Almost surely, 2^449766549 is an apocalyptic number.

It is an amenable number.

449766549 is a deficient number, since it is larger than the sum of its proper divisors (199896257).

449766549 is a wasteful number, since it uses less digits than its factorization.

449766549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49974067 (or 49974064 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The square root of 449766549 is about 21207.7002289263. The cubic root of 449766549 is about 766.1768941357.

The spelling of 449766549 in words is "four hundred forty-nine million, seven hundred sixty-six thousand, five hundred forty-nine".