1449913219 has 8 divisors (see below), whose sum is σ = 1458730112. Its totient is φ = 1441117440.

The previous prime is 1449913211. The next prime is 1449913229. The reversal of 1449913219 is 9123199441.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1449913219 - 2³ = 1449913211 is a prime.

It is a super-2 number, since 2×1449913219² = 4204496685261883922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1449913211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145249 + ... + 154909.

It is an arithmetic number, because the mean of its divisors is an integer number (182341264).

Almost surely, 2^1449913219 is an apocalyptic number.

1449913219 is a deficient number, since it is larger than the sum of its proper divisors (8816893).

1449913219 is an equidigital number, since it uses as much as digits as its factorization.

1449913219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10557.

The product of its digits is 69984, while the sum is 43.

The square root of 1449913219 is about 38077.7260219147. The cubic root of 1449913219 is about 1131.8286154714.

The spelling of 1449913219 in words is "one billion, four hundred forty-nine million, nine hundred thirteen thousand, two hundred nineteen".