448481666869 has 2 divisors, whose sum is σ = 448481666870. Its totient is φ = 448481666868.

The previous prime is 448481666851. The next prime is 448481666903. The reversal of 448481666869 is 968666184844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 355886219844 + 92595447025 = 596562^2 + 304295^2 .

It is a cyclic number.

It is not a de Polignac number, because 448481666869 - 2⁵ = 448481666837 is a prime.

It is a super-2 number, since 2×448481666869² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 448481666798 and 448481666807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448481666839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224240833434 + 224240833435.

It is an arithmetic number, because the mean of its divisors is an integer number (224240833435).

Almost surely, 2^448481666869 is an apocalyptic number.

It is an amenable number.

448481666869 is a deficient number, since it is larger than the sum of its proper divisors (1).

448481666869 is an equidigital number, since it uses as much as digits as its factorization.

448481666869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 382205952, while the sum is 70.

The spelling of 448481666869 in words is "four hundred forty-eight billion, four hundred eighty-one million, six hundred sixty-six thousand, eight hundred sixty-nine".