448868465 has 4 divisors (see below), whose sum is σ = 538642164. Its totient is φ = 359094768.

The previous prime is 448868417. The next prime is 448868473. The reversal of 448868465 is 564868844.

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 122235136 + 326633329 = 11056^2 + 18073^2 .

It is a cyclic number.

It is not a de Polignac number, because 448868465 - 2¹² = 448864369 is a prime.

It is a super-3 number, since 3×448868465³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44886842 + ... + 44886851.

It is an arithmetic number, because the mean of its divisors is an integer number (134660541).

Almost surely, 2^448868465 is an apocalyptic number.

It is an amenable number.

448868465 is a deficient number, since it is larger than the sum of its proper divisors (89773699).

448868465 is an equidigital number, since it uses as much as digits as its factorization.

448868465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89773698.

The product of its digits is 5898240, while the sum is 53.

The square root of 448868465 is about 21186.5161128488. The cubic root of 448868465 is about 765.6665925815. Note that the first 3 decimals are identical.

The spelling of 448868465 in words is "four hundred forty-eight million, eight hundred sixty-eight thousand, four hundred sixty-five".