1343345609 has 2 divisors, whose sum is σ = 1343345610. Its totient is φ = 1343345608.

The previous prime is 1343345513. The next prime is 1343345677. The reversal of 1343345609 is 9065433431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 676260025 + 667085584 = 26005^2 + 25828^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1343345609 is a prime.

It is not a weakly prime, because it can be changed into another prime (1343345009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671672804 + 671672805.

It is an arithmetic number, because the mean of its divisors is an integer number (671672805).

Almost surely, 2^1343345609 is an apocalyptic number.

It is an amenable number.

1343345609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343345609 is an equidigital number, since it uses as much as digits as its factorization.

1343345609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 38.

The square root of 1343345609 is about 36651.6794840291. The cubic root of 1343345609 is about 1103.3905328295.

The spelling of 1343345609 in words is "one billion, three hundred forty-three million, three hundred forty-five thousand, six hundred nine".