449148222271 has 128 divisors (see below), whose sum is σ = 589642260480. Its totient is φ = 333202636800.

The previous prime is 449148222269. The next prime is 449148222301. The reversal of 449148222271 is 172222841944.

It is a cyclic number.

It is not a de Polignac number, because 449148222271 - 2¹ = 449148222269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449148222671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2481481801 + ... + 2481481981.

It is an arithmetic number, because the mean of its divisors is an integer number (4606580160).

Almost surely, 2^449148222271 is an apocalyptic number.

449148222271 is a deficient number, since it is larger than the sum of its proper divisors (140494038209).

449148222271 is a wasteful number, since it uses less digits than its factorization.

449148222271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545.

The product of its digits is 516096, while the sum is 46.

The spelling of 449148222271 in words is "four hundred forty-nine billion, one hundred forty-eight million, two hundred twenty-two thousand, two hundred seventy-one".