448019213 has 4 divisors (see below), whose sum is σ = 448348320. Its totient is φ = 447690108.

The previous prime is 448019179. The next prime is 448019219. The reversal of 448019213 is 312910844.

It is a happy number.

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 448019213 - 2⁶ = 448019149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 448019213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448019219) 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, 162503 + ... + 165236.

It is an arithmetic number, because the mean of its divisors is an integer number (112087080).

Almost surely, 2^448019213 is an apocalyptic number.

It is an amenable number.

448019213 is a deficient number, since it is larger than the sum of its proper divisors (329107).

448019213 is a wasteful number, since it uses less digits than its factorization.

448019213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329106.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 448019213 is about 21166.4643481144. The cubic root of 448019213 is about 765.1834113891.

The spelling of 448019213 in words is "four hundred forty-eight million, nineteen thousand, two hundred thirteen".