449480965 has 4 divisors (see below), whose sum is σ = 539377164. Its totient is φ = 359584768.

The previous prime is 449480963. The next prime is 449481017. The reversal of 449480965 is 569084944.

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 206152164 + 243328801 = 14358^2 + 15599^2 .

It is a cyclic number.

It is not a de Polignac number, because 449480965 - 2¹ = 449480963 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449480963) 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, 44948092 + ... + 44948101.

It is an arithmetic number, because the mean of its divisors is an integer number (134844291).

Almost surely, 2^449480965 is an apocalyptic number.

It is an amenable number.

449480965 is a deficient number, since it is larger than the sum of its proper divisors (89896199).

449480965 is an equidigital number, since it uses as much as digits as its factorization.

449480965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89896198.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The square root of 449480965 is about 21200.9661336459. The cubic root of 449480965 is about 766.0146957757.

The spelling of 449480965 in words is "four hundred forty-nine million, four hundred eighty thousand, nine hundred sixty-five".