1343241409 has 2 divisors, whose sum is σ = 1343241410. Its totient is φ = 1343241408.

The previous prime is 1343241379. The next prime is 1343241413. The reversal of 1343241409 is 9041423431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 688905009 + 654336400 = 26247^2 + 25580^2 .

It is an emirp because it is prime and its reverse (9041423431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1343241409 - 2¹³ = 1343233217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1343241209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671620704 + 671620705.

It is an arithmetic number, because the mean of its divisors is an integer number (671620705).

Almost surely, 2^1343241409 is an apocalyptic number.

It is an amenable number.

1343241409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343241409 is an equidigital number, since it uses as much as digits as its factorization.

1343241409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1343241409 is about 36650.2579663500. The cubic root of 1343241409 is about 1103.3620029993.

The spelling of 1343241409 in words is "one billion, three hundred forty-three million, two hundred forty-one thousand, four hundred nine".