1449893218 has 8 divisors (see below), whose sum is σ = 2175406812. Its totient is φ = 724757616.

The previous prime is 1449893191. The next prime is 1449893233. The reversal of 1449893218 is 8123989441.

It can be written as a sum of positive squares in 2 ways, for example, as 1449553329 + 339889 = 38073^2 + 583^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84705 + ... + 100372.

Almost surely, 2^1449893218 is an apocalyptic number.

1449893218 is a deficient number, since it is larger than the sum of its proper divisors (725513594).

1449893218 is a wasteful number, since it uses less digits than its factorization.

1449893218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188996.

The product of its digits is 497664, while the sum is 49.

The square root of 1449893218 is about 38077.4633871533. The cubic root of 1449893218 is about 1131.8234110661.

The spelling of 1449893218 in words is "one billion, four hundred forty-nine million, eight hundred ninety-three thousand, two hundred eighteen".