449519066 has 8 divisors (see below), whose sum is σ = 713942100. Its totient is φ = 211538368.

The previous prime is 449519051. The next prime is 449519069. The reversal of 449519066 is 660915944.

It can be written as a sum of positive squares in 2 ways, for example, as 420045025 + 29474041 = 20495^2 + 5429^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (449519069) 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 3 ways as a sum of consecutive naturals, for example, 6610541 + ... + 6610608.

Almost surely, 2^449519066 is an apocalyptic number.

449519066 is a deficient number, since it is larger than the sum of its proper divisors (264423034).

449519066 is a wasteful number, since it uses less digits than its factorization.

449519066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13221168.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 449519066 is about 21201.8646821453. The cubic root of 449519066 is about 766.0363393332.

The spelling of 449519066 in words is "four hundred forty-nine million, five hundred nineteen thousand, sixty-six".