1449647339 has 4 divisors (see below), whose sum is σ = 1656739824. Its totient is φ = 1242554856.

The previous prime is 1449647323. The next prime is 1449647369. The reversal of 1449647339 is 9337469441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9337469441 = 23689 ⋅394169.

It is a cyclic number.

It is not a de Polignac number, because 1449647339 - 2⁴ = 1449647323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1449647369) 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, 103546232 + ... + 103546245.

It is an arithmetic number, because the mean of its divisors is an integer number (414184956).

Almost surely, 2^1449647339 is an apocalyptic number.

1449647339 is a deficient number, since it is larger than the sum of its proper divisors (207092485).

1449647339 is an equidigital number, since it uses as much as digits as its factorization.

1449647339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207092484.

The product of its digits is 1959552, while the sum is 50.

The square root of 1449647339 is about 38074.2345819322. The cubic root of 1449647339 is about 1131.7594276550.

The spelling of 1449647339 in words is "one billion, four hundred forty-nine million, six hundred forty-seven thousand, three hundred thirty-nine".