1343321653109 has 2 divisors, whose sum is σ = 1343321653110. Its totient is φ = 1343321653108.

The previous prime is 1343321653097. The next prime is 1343321653123. The reversal of 1343321653109 is 9013561233431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 701155022500 + 642166630609 = 837350^2 + 801353^2 .

It is an emirp because it is prime and its reverse (9013561233431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1343321653109 - 2²⁰ = 1343320604533 is a prime.

It is a super-2 number, since 2×1343321653109² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1343321653129) 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, 671660826554 + 671660826555.

It is an arithmetic number, because the mean of its divisors is an integer number (671660826555).

Almost surely, 2^{1343321653109} is an apocalyptic number.

It is an amenable number.

1343321653109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343321653109 is an equidigital number, since it uses as much as digits as its factorization.

1343321653109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 41.

The spelling of 1343321653109 in words is "one trillion, three hundred forty-three billion, three hundred twenty-one million, six hundred fifty-three thousand, one hundred nine".