319450449 has 4 divisors (see below), whose sum is σ = 425933936. Its totient is φ = 212966964.

The previous prime is 319450441. The next prime is 319450463. The reversal of 319450449 is 944054913.

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 not a de Polignac number, because 319450449 - 2³ = 319450441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (319450441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53241739 + ... + 53241744.

It is an arithmetic number, because the mean of its divisors is an integer number (106483484).

Almost surely, 2^319450449 is an apocalyptic number.

It is an amenable number.

319450449 is a deficient number, since it is larger than the sum of its proper divisors (106483487).

319450449 is a wasteful number, since it uses less digits than its factorization.

319450449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106483486.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 319450449 is about 17873.1768021245. The cubic root of 319450449 is about 683.5986047347.

The spelling of 319450449 in words is "three hundred nineteen million, four hundred fifty thousand, four hundred forty-nine".