449221363 has 4 divisors (see below), whose sum is σ = 449526168. Its totient is φ = 448916560.

The previous prime is 449221343. The next prime is 449221369. The reversal of 449221363 is 363122944.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 449221363 - 2⁹ = 449220851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449221369) 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, 150181 + ... + 153142.

It is an arithmetic number, because the mean of its divisors is an integer number (112381542).

Almost surely, 2^449221363 is an apocalyptic number.

449221363 is a deficient number, since it is larger than the sum of its proper divisors (304805).

449221363 is a wasteful number, since it uses less digits than its factorization.

449221363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304804.

The product of its digits is 31104, while the sum is 34.

The square root of 449221363 is about 21194.8428397099. The cubic root of 449221363 is about 765.8671943543.

The spelling of 449221363 in words is "four hundred forty-nine million, two hundred twenty-one thousand, three hundred sixty-three".