1304344369 has 2 divisors, whose sum is σ = 1304344370. Its totient is φ = 1304344368.

The previous prime is 1304344333. The next prime is 1304344403. The reversal of 1304344369 is 9634434031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1296864144 + 7480225 = 36012^2 + 2735^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304344369 - 2¹⁷ = 1304213297 is a prime.

It is a super-2 number, since 2×1304344369² = 3402628465884016322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1304344969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652172184 + 652172185.

It is an arithmetic number, because the mean of its divisors is an integer number (652172185).

Almost surely, 2^1304344369 is an apocalyptic number.

It is an amenable number.

1304344369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304344369 is an equidigital number, since it uses as much as digits as its factorization.

1304344369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 37.

The square root of 1304344369 is about 36115.7080644974. The cubic root of 1304344369 is about 1092.6072783273.

The spelling of 1304344369 in words is "one billion, three hundred four million, three hundred forty-four thousand, three hundred sixty-nine".