1304354093209 has 2 divisors, whose sum is σ = 1304354093210. Its totient is φ = 1304354093208.

The previous prime is 1304354093197. The next prime is 1304354093249. The reversal of 1304354093209 is 9023904534031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1198703091609 + 105651001600 = 1094853^2 + 325040^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304354093209 - 2⁹ = 1304354092697 is a prime.

It is not a weakly prime, because it can be changed into another prime (1304354093249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652177046604 + 652177046605.

It is an arithmetic number, because the mean of its divisors is an integer number (652177046605).

Almost surely, 2^{1304354093209} is an apocalyptic number.

It is an amenable number.

1304354093209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304354093209 is an equidigital number, since it uses as much as digits as its factorization.

1304354093209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 43.

The spelling of 1304354093209 in words is "one trillion, three hundred four billion, three hundred fifty-four million, ninety-three thousand, two hundred nine".