449246129 has 4 divisors (see below), whose sum is σ = 449958720. Its totient is φ = 448533540.

The previous prime is 449246111. The next prime is 449246159. The reversal of 449246129 is 921642944.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 449246129 - 2¹² = 449242033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449246159) 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, 355349 + ... + 356610.

It is an arithmetic number, because the mean of its divisors is an integer number (112489680).

Almost surely, 2^449246129 is an apocalyptic number.

It is an amenable number.

449246129 is a deficient number, since it is larger than the sum of its proper divisors (712591).

449246129 is an equidigital number, since it uses as much as digits as its factorization.

449246129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712590.

The product of its digits is 124416, while the sum is 41.

The square root of 449246129 is about 21195.4270775561. The cubic root of 449246129 is about 765.8812684241.

The spelling of 449246129 in words is "four hundred forty-nine million, two hundred forty-six thousand, one hundred twenty-nine".