449318357 has 4 divisors (see below), whose sum is σ = 449361120. Its totient is φ = 449275596.

The previous prime is 449318351. The next prime is 449318437. The reversal of 449318357 is 753813944.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 449318357 - 2⁶ = 449318293 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 (449318351) 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, 6494 + ... + 30672.

It is an arithmetic number, because the mean of its divisors is an integer number (112340280).

Almost surely, 2^449318357 is an apocalyptic number.

It is an amenable number.

449318357 is a deficient number, since it is larger than the sum of its proper divisors (42763).

449318357 is a wasteful number, since it uses less digits than its factorization.

449318357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42762.

The product of its digits is 362880, while the sum is 44.

The square root of 449318357 is about 21197.1308671716. The cubic root of 449318357 is about 765.9223113360.

The spelling of 449318357 in words is "four hundred forty-nine million, three hundred eighteen thousand, three hundred fifty-seven".