449169245 has 16 divisors (see below), whose sum is σ = 618658560. Its totient is φ = 306674304.

The previous prime is 449169241. The next prime is 449169247. The reversal of 449169245 is 542961944.

It is a cyclic number.

It is not a de Polignac number, because 449169245 - 2² = 449169241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 449169196 and 449169205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449169241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19385 + ... + 35694.

It is an arithmetic number, because the mean of its divisors is an integer number (38666160).

Almost surely, 2^449169245 is an apocalyptic number.

It is an amenable number.

449169245 is a deficient number, since it is larger than the sum of its proper divisors (169489315).

449169245 is a wasteful number, since it uses less digits than its factorization.

449169245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55324.

The product of its digits is 311040, while the sum is 44.

The square root of 449169245 is about 21193.6133068432. The cubic root of 449169245 is about 765.8375749481.

The spelling of 449169245 in words is "four hundred forty-nine million, one hundred sixty-nine thousand, two hundred forty-five".