449454961 has 4 divisors (see below), whose sum is σ = 456163312. Its totient is φ = 442746612.

The previous prime is 449454923. The next prime is 449454977. The reversal of 449454961 is 169454944.

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 449454961 - 2¹³ = 449446769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449454911) 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, 3354075 + ... + 3354208.

It is an arithmetic number, because the mean of its divisors is an integer number (114040828).

Almost surely, 2^449454961 is an apocalyptic number.

It is an amenable number.

449454961 is a deficient number, since it is larger than the sum of its proper divisors (6708351).

449454961 is an equidigital number, since it uses as much as digits as its factorization.

449454961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6708350.

The product of its digits is 622080, while the sum is 46.

The square root of 449454961 is about 21200.3528508372. The cubic root of 449454961 is about 765.9999233071. Note that the first 4 decimals are identical.

The spelling of 449454961 in words is "four hundred forty-nine million, four hundred fifty-four thousand, nine hundred sixty-one".