448309666468133 has 2 divisors, whose sum is σ = 448309666468134. Its totient is φ = 448309666468132.

The previous prime is 448309666468129. The next prime is 448309666468211. The reversal of 448309666468133 is 331864666903844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 446464095311809 + 1845571156324 = 21129697^2 + 1358518^2 .

It is a cyclic number.

It is not a de Polignac number, because 448309666468133 - 2² = 448309666468129 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448309666668133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224154833234066 + 224154833234067.

It is an arithmetic number, because the mean of its divisors is an integer number (224154833234067).

Almost surely, 2^{448309666468133} is an apocalyptic number.

It is an amenable number.

448309666468133 is a deficient number, since it is larger than the sum of its proper divisors (1).

448309666468133 is an equidigital number, since it uses as much as digits as its factorization.

448309666468133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1289945088, while the sum is 71.

The spelling of 448309666468133 in words is "four hundred forty-eight trillion, three hundred nine billion, six hundred sixty-six million, four hundred sixty-eight thousand, one hundred thirty-three".