448209193 has 2 divisors, whose sum is σ = 448209194. Its totient is φ = 448209192.

The previous prime is 448209187. The next prime is 448209217. The reversal of 448209193 is 391902844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 416037609 + 32171584 = 20397^2 + 5672^2 .

It is a cyclic number.

It is not a de Polignac number, because 448209193 - 2⁹ = 448208681 is a prime.

It is a super-2 number, since 2×448209193² = 401782961379422498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (448209103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224104596 + 224104597.

It is an arithmetic number, because the mean of its divisors is an integer number (224104597).

Almost surely, 2^448209193 is an apocalyptic number.

It is an amenable number.

448209193 is a deficient number, since it is larger than the sum of its proper divisors (1).

448209193 is an equidigital number, since it uses as much as digits as its factorization.

448209193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 448209193 is about 21170.9516318941. The cubic root of 448209193 is about 765.2915533299.

The spelling of 448209193 in words is "four hundred forty-eight million, two hundred nine thousand, one hundred ninety-three".