1343717399 has 4 divisors (see below), whose sum is σ = 1360726560. Its totient is φ = 1326708240.

The previous prime is 1343717381. The next prime is 1343717423. The reversal of 1343717399 is 9937173431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9937173431 = 1193 ⋅8329567.

It is a cyclic number.

It is not a de Polignac number, because 1343717399 - 2¹⁶ = 1343651863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343717329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8504462 + ... + 8504619.

It is an arithmetic number, because the mean of its divisors is an integer number (340181640).

Almost surely, 2^1343717399 is an apocalyptic number.

1343717399 is a deficient number, since it is larger than the sum of its proper divisors (17009161).

1343717399 is an equidigital number, since it uses as much as digits as its factorization.

1343717399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17009160.

The product of its digits is 428652, while the sum is 47.

The square root of 1343717399 is about 36656.7510698916. The cubic root of 1343717399 is about 1103.4923164468.

The spelling of 1343717399 in words is "one billion, three hundred forty-three million, seven hundred seventeen thousand, three hundred ninety-nine".