448869589 has 4 divisors (see below), whose sum is σ = 512993824. Its totient is φ = 384745356.

The previous prime is 448869559. The next prime is 448869593. The reversal of 448869589 is 985968844.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 448869589 - 2⁷ = 448869461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448869539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32062107 + ... + 32062120.

It is an arithmetic number, because the mean of its divisors is an integer number (128248456).

Almost surely, 2^448869589 is an apocalyptic number.

It is an amenable number.

448869589 is a deficient number, since it is larger than the sum of its proper divisors (64124235).

448869589 is an equidigital number, since it uses as much as digits as its factorization.

448869589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64124234.

The product of its digits is 19906560, while the sum is 61.

The square root of 448869589 is about 21186.5426391377. The cubic root of 448869589 is about 765.6672316763.

The spelling of 448869589 in words is "four hundred forty-eight million, eight hundred sixty-nine thousand, five hundred eighty-nine".