448591802689 has 2 divisors, whose sum is σ = 448591802690. Its totient is φ = 448591802688.

The previous prime is 448591802537. The next prime is 448591802693. The reversal of 448591802689 is 986208195844.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 445033083664 + 3558719025 = 667108^2 + 59655^2 .

It is a cyclic number.

It is not a de Polignac number, because 448591802689 - 2¹⁷ = 448591671617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 448591802689.

It is not a weakly prime, because it can be changed into another prime (448591802699) 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, 224295901344 + 224295901345.

It is an arithmetic number, because the mean of its divisors is an integer number (224295901345).

Almost surely, 2^448591802689 is an apocalyptic number.

It is an amenable number.

448591802689 is a deficient number, since it is larger than the sum of its proper divisors (1).

448591802689 is an equidigital number, since it uses as much as digits as its factorization.

448591802689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39813120, while the sum is 64.

The spelling of 448591802689 in words is "four hundred forty-eight billion, five hundred ninety-one million, eight hundred two thousand, six hundred eighty-nine".