448306517173 has 2 divisors, whose sum is σ = 448306517174. Its totient is φ = 448306517172.

The previous prime is 448306517147. The next prime is 448306517233. The reversal of 448306517173 is 371715603844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 439014906724 + 9291610449 = 662582^2 + 96393^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-448306517173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448306517873) 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, 224153258586 + 224153258587.

It is an arithmetic number, because the mean of its divisors is an integer number (224153258587).

Almost surely, 2^448306517173 is an apocalyptic number.

It is an amenable number.

448306517173 is a deficient number, since it is larger than the sum of its proper divisors (1).

448306517173 is an equidigital number, since it uses as much as digits as its factorization.

448306517173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 448306517173 in words is "four hundred forty-eight billion, three hundred six million, five hundred seventeen thousand, one hundred seventy-three".