1343429209 has 4 divisors (see below), whose sum is σ = 1343603380. Its totient is φ = 1343255040.

The previous prime is 1343429203. The next prime is 1343429221. The reversal of 1343429209 is 9029243431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 160275600 + 1183153609 = 12660^2 + 34397^2 .

It is a cyclic number.

It is not a de Polignac number, because 1343429209 - 2⁷ = 1343429081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1343429203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74952 + ... + 91129.

It is an arithmetic number, because the mean of its divisors is an integer number (335900845).

Almost surely, 2^1343429209 is an apocalyptic number.

It is an amenable number.

1343429209 is a deficient number, since it is larger than the sum of its proper divisors (174171).

1343429209 is an equidigital number, since it uses as much as digits as its factorization.

1343429209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174170.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 1343429209 is about 36652.8199324418. The cubic root of 1343429209 is about 1103.4134213387.

The spelling of 1343429209 in words is "one billion, three hundred forty-three million, four hundred twenty-nine thousand, two hundred nine".