449031885121 has 2 divisors, whose sum is σ = 449031885122. Its totient is φ = 449031885120.

The previous prime is 449031885119. The next prime is 449031885131. The reversal of 449031885121 is 121588130944.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 331683846400 + 117348038721 = 575920^2 + 342561^2 .

It is a cyclic number.

It is not a de Polignac number, because 449031885121 - 2¹ = 449031885119 is a prime.

Together with 449031885119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (449031885131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224515942560 + 224515942561.

It is an arithmetic number, because the mean of its divisors is an integer number (224515942561).

Almost surely, 2^449031885121 is an apocalyptic number.

It is an amenable number.

449031885121 is a deficient number, since it is larger than the sum of its proper divisors (1).

449031885121 is an equidigital number, since it uses as much as digits as its factorization.

449031885121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 449031885121 in words is "four hundred forty-nine billion, thirty-one million, eight hundred eighty-five thousand, one hundred twenty-one".