448871693 has 2 divisors, whose sum is σ = 448871694. Its totient is φ = 448871692.

The previous prime is 448871669. The next prime is 448871707. The reversal of 448871693 is 396178844.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 276789769 + 172081924 = 16637^2 + 13118^2 .

It is a cyclic number.

It is not a de Polignac number, because 448871693 - 2⁶ = 448871629 is a prime.

It is a super-4 number, since 4×448871693⁴ (a number of 36 digits) contains 4444 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448871603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224435846 + 224435847.

It is an arithmetic number, because the mean of its divisors is an integer number (224435847).

Almost surely, 2^448871693 is an apocalyptic number.

It is an amenable number.

448871693 is a deficient number, since it is larger than the sum of its proper divisors (1).

448871693 is an equidigital number, since it uses as much as digits as its factorization.

448871693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 50.

The square root of 448871693 is about 21186.5922932406. The cubic root of 448871693 is about 765.6684279862.

The spelling of 448871693 in words is "four hundred forty-eight million, eight hundred seventy-one thousand, six hundred ninety-three".