3448448389 has 2 divisors, whose sum is σ = 3448448390. Its totient is φ = 3448448388.

The previous prime is 3448448347. The next prime is 3448448411. The reversal of 3448448389 is 9838448443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3444516100 + 3932289 = 58690^2 + 1983^2 .

It is an emirp because it is prime and its reverse (9838448443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3448448389 - 2¹¹ = 3448446341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3448448329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1724224194 + 1724224195.

It is an arithmetic number, because the mean of its divisors is an integer number (1724224195).

Almost surely, 2^3448448389 is an apocalyptic number.

It is an amenable number.

3448448389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3448448389 is an equidigital number, since it uses as much as digits as its factorization.

3448448389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10616832, while the sum is 55.

The square root of 3448448389 is about 58723.4909469796. The cubic root of 3448448389 is about 1510.8032492264.

The spelling of 3448448389 in words is "three billion, four hundred forty-eight million, four hundred forty-eight thousand, three hundred eighty-nine".