448941289 has 4 divisors (see below), whose sum is σ = 449344324. Its totient is φ = 448538256.

The previous prime is 448941277. The next prime is 448941299. The reversal of 448941289 is 982149844.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12131289 + 436810000 = 3483^2 + 20900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-448941289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448941299) 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, 199842 + ... + 202075.

It is an arithmetic number, because the mean of its divisors is an integer number (112336081).

Almost surely, 2^448941289 is an apocalyptic number.

It is an amenable number.

448941289 is a deficient number, since it is larger than the sum of its proper divisors (403035).

448941289 is a wasteful number, since it uses less digits than its factorization.

448941289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403034.

The product of its digits is 663552, while the sum is 49.

The square root of 448941289 is about 21188.2346834275. The cubic root of 448941289 is about 765.7079973531.

The spelling of 448941289 in words is "four hundred forty-eight million, nine hundred forty-one thousand, two hundred eighty-nine".