448430942129 has 2 divisors, whose sum is σ = 448430942130. Its totient is φ = 448430942128.

The previous prime is 448430942033. The next prime is 448430942131. The reversal of 448430942129 is 921249034844.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 371035702129 + 77395240000 = 609127^2 + 278200^2 .

It is a cyclic number.

It is not a de Polignac number, because 448430942129 - 2²⁰ = 448429893553 is a prime.

Together with 448430942131, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (448430942329) 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 as a sum of consecutive naturals, namely, 224215471064 + 224215471065.

It is an arithmetic number, because the mean of its divisors is an integer number (224215471065).

Almost surely, 2^448430942129 is an apocalyptic number.

It is an amenable number.

448430942129 is a deficient number, since it is larger than the sum of its proper divisors (1).

448430942129 is an equidigital number, since it uses as much as digits as its factorization.

448430942129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1990656, while the sum is 50.

The spelling of 448430942129 in words is "four hundred forty-eight billion, four hundred thirty million, nine hundred forty-two thousand, one hundred twenty-nine".