448193693 has 2 divisors, whose sum is σ = 448193694. Its totient is φ = 448193692.

The previous prime is 448193597. The next prime is 448193699. The reversal of 448193693 is 396391844.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 440454169 + 7739524 = 20987^2 + 2782^2 .

It is a cyclic number.

It is not a de Polignac number, because 448193693 - 2⁸ = 448193437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448193699) 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, 224096846 + 224096847.

It is an arithmetic number, because the mean of its divisors is an integer number (224096847).

Almost surely, 2^448193693 is an apocalyptic number.

It is an amenable number.

448193693 is a deficient number, since it is larger than the sum of its proper divisors (1).

448193693 is an equidigital number, since it uses as much as digits as its factorization.

448193693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 47.

The square root of 448193693 is about 21170.5855611034. The cubic root of 448193693 is about 765.2827314405.

The spelling of 448193693 in words is "four hundred forty-eight million, one hundred ninety-three thousand, six hundred ninety-three".