1343240421427 has 2 divisors, whose sum is σ = 1343240421428. Its totient is φ = 1343240421426.

The previous prime is 1343240421421. The next prime is 1343240421449. The reversal of 1343240421427 is 7241240423431.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1343240421427 is a prime.

It is not a weakly prime, because it can be changed into another prime (1343240421421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671620210713 + 671620210714.

It is an arithmetic number, because the mean of its divisors is an integer number (671620210714).

Almost surely, 2^{1343240421427} is an apocalyptic number.

1343240421427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343240421427 is an equidigital number, since it uses as much as digits as its factorization.

1343240421427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 37.

Adding to 1343240421427 its reverse (7241240423431), we get a palindrome (8584480844858).

The spelling of 1343240421427 in words is "one trillion, three hundred forty-three billion, two hundred forty million, four hundred twenty-one thousand, four hundred twenty-seven".