449458182273 has 32 divisors (see below), whose sum is σ = 609880602240. Its totient is φ = 294426823680.

The previous prime is 449458182247. The next prime is 449458182301. The reversal of 449458182273 is 372281854944.

It is not a de Polignac number, because 449458182273 - 2¹⁷ = 449458051201 is a prime.

It is a super-2 number, since 2×449458182273² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (449458182223) 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 31 ways as a sum of consecutive naturals, for example, 411968458 + ... + 411969548.

It is an arithmetic number, because the mean of its divisors is an integer number (19058768820).

Almost surely, 2^449458182273 is an apocalyptic number.

It is an amenable number.

449458182273 is a deficient number, since it is larger than the sum of its proper divisors (160422419967).

449458182273 is an frugal number, since it uses more digits than its factorization.

449458182273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666 (or 1520 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 57.

The spelling of 449458182273 in words is "four hundred forty-nine billion, four hundred fifty-eight million, one hundred eighty-two thousand, two hundred seventy-three".