448199489 has 2 divisors, whose sum is σ = 448199490. Its totient is φ = 448199488.

The previous prime is 448199483. The next prime is 448199497. The reversal of 448199489 is 984991844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 370177600 + 78021889 = 19240^2 + 8833^2 .

It is a cyclic number.

It is not a de Polignac number, because 448199489 - 2¹⁶ = 448133953 is a prime.

It is a super-2 number, since 2×448199489² = 401765563879722242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (448199483) 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, 224099744 + 224099745.

It is an arithmetic number, because the mean of its divisors is an integer number (224099745).

Almost surely, 2^448199489 is an apocalyptic number.

It is an amenable number.

448199489 is a deficient number, since it is larger than the sum of its proper divisors (1).

448199489 is an equidigital number, since it uses as much as digits as its factorization.

448199489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2985984, while the sum is 56.

The square root of 448199489 is about 21170.7224487026. The cubic root of 448199489 is about 765.2860302818.

The spelling of 448199489 in words is "four hundred forty-eight million, one hundred ninety-nine thousand, four hundred eighty-nine".