1343309969 has 2 divisors, whose sum is σ = 1343309970. Its totient is φ = 1343309968.

The previous prime is 1343309941. The next prime is 1343309977. The reversal of 1343309969 is 9699033431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1335537025 + 7772944 = 36545^2 + 2788^2 .

It is a cyclic number.

It is not a de Polignac number, because 1343309969 - 2²⁸ = 1074874513 is a prime.

It is a super-2 number, since 2×1343309969² = 3608963345629561922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1343309909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671654984 + 671654985.

It is an arithmetic number, because the mean of its divisors is an integer number (671654985).

Almost surely, 2^1343309969 is an apocalyptic number.

It is an amenable number.

1343309969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343309969 is an equidigital number, since it uses as much as digits as its factorization.

1343309969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 472392, while the sum is 47.

The square root of 1343309969 is about 36651.1932820747. The cubic root of 1343309969 is about 1103.3807748079.

The spelling of 1343309969 in words is "one billion, three hundred forty-three million, three hundred nine thousand, nine hundred sixty-nine".