448854317501 has 2 divisors, whose sum is σ = 448854317502. Its totient is φ = 448854317500.

The previous prime is 448854317491. The next prime is 448854317537. The reversal of 448854317501 is 105713458844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 344040902500 + 104813415001 = 586550^2 + 323749^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-448854317501 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 448854317501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448854317701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224427158750 + 224427158751.

It is an arithmetic number, because the mean of its divisors is an integer number (224427158751).

Almost surely, 2^448854317501 is an apocalyptic number.

It is an amenable number.

448854317501 is a deficient number, since it is larger than the sum of its proper divisors (1).

448854317501 is an equidigital number, since it uses as much as digits as its factorization.

448854317501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2150400, while the sum is 50.

The spelling of 448854317501 in words is "four hundred forty-eight billion, eight hundred fifty-four million, three hundred seventeen thousand, five hundred one".