1304324449 has 4 divisors (see below), whose sum is σ = 1304913940. Its totient is φ = 1303734960.

The previous prime is 1304324429. The next prime is 1304324467. The reversal of 1304324449 is 9444234031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9444234031 = 19 ⋅497064949.

It can be written as a sum of positive squares in 2 ways, for example, as 913550625 + 390773824 = 30225^2 + 19768^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304324449 - 2¹¹ = 1304322401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1304324419) by changing a digit.

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, 291414 + ... + 295855.

It is an arithmetic number, because the mean of its divisors is an integer number (326228485).

Almost surely, 2^1304324449 is an apocalyptic number.

It is an amenable number.

1304324449 is a deficient number, since it is larger than the sum of its proper divisors (589491).

1304324449 is an equidigital number, since it uses as much as digits as its factorization.

1304324449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589490.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 1304324449 is about 36115.4322831667. The cubic root of 1304324449 is about 1092.6017161848.

The spelling of 1304324449 in words is "one billion, three hundred four million, three hundred twenty-four thousand, four hundred forty-nine".