449822129 has 8 divisors (see below), whose sum is σ = 455900160. Its totient is φ = 443753856.

The previous prime is 449822123. The next prime is 449822137. The reversal of 449822129 is 921228944.

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

It is a cyclic number.

It is not a de Polignac number, because 449822129 - 2²⁰ = 448773553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449822123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167969 + ... + 170625.

It is an arithmetic number, because the mean of its divisors is an integer number (56987520).

Almost surely, 2^449822129 is an apocalyptic number.

It is an amenable number.

449822129 is a deficient number, since it is larger than the sum of its proper divisors (6078031).

449822129 is a wasteful number, since it uses less digits than its factorization.

449822129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4879.

The product of its digits is 82944, while the sum is 41.

The square root of 449822129 is about 21209.0105615514. The cubic root of 449822129 is about 766.2084529951.

The spelling of 449822129 in words is "four hundred forty-nine million, eight hundred twenty-two thousand, one hundred twenty-nine".