1343330621291 has 2 divisors, whose sum is σ = 1343330621292. Its totient is φ = 1343330621290.

The previous prime is 1343330621261. The next prime is 1343330621299. The reversal of 1343330621291 is 1921260333431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1343330621291 is a prime.

It is not a weakly prime, because it can be changed into another prime (1343330621299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671665310645 + 671665310646.

It is an arithmetic number, because the mean of its divisors is an integer number (671665310646).

Almost surely, 2^{1343330621291} is an apocalyptic number.

1343330621291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343330621291 is an equidigital number, since it uses as much as digits as its factorization.

1343330621291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 38.

The spelling of 1343330621291 in words is "one trillion, three hundred forty-three billion, three hundred thirty million, six hundred twenty-one thousand, two hundred ninety-one".