1343403421109 has 2 divisors, whose sum is σ = 1343403421110. Its totient is φ = 1343403421108.

The previous prime is 1343403421103. The next prime is 1343403421211. The reversal of 1343403421109 is 9011243043431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 861642493009 + 481760928100 = 928247^2 + 694090^2 .

It is a cyclic number.

It is not a de Polignac number, because 1343403421109 - 2²⁸ = 1343134985653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1343403421103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671701710554 + 671701710555.

It is an arithmetic number, because the mean of its divisors is an integer number (671701710555).

Almost surely, 2^{1343403421109} is an apocalyptic number.

It is an amenable number.

1343403421109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343403421109 is an equidigital number, since it uses as much as digits as its factorization.

1343403421109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 1343403421109 in words is "one trillion, three hundred forty-three billion, four hundred three million, four hundred twenty-one thousand, one hundred nine".