1343395169 has 2 divisors, whose sum is σ = 1343395170. Its totient is φ = 1343395168.

The previous prime is 1343395139. The next prime is 1343395177. The reversal of 1343395169 is 9615933431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 773952400 + 569442769 = 27820^2 + 23863^2 .

It is a cyclic number.

It is not a de Polignac number, because 1343395169 - 2¹² = 1343391073 is a prime.

It is a super-2 number, since 2×1343395169² = 3609421160185077122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1343395139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671697584 + 671697585.

It is an arithmetic number, because the mean of its divisors is an integer number (671697585).

Almost surely, 2^1343395169 is an apocalyptic number.

It is an amenable number.

1343395169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343395169 is an equidigital number, since it uses as much as digits as its factorization.

1343395169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 262440, while the sum is 44.

The square root of 1343395169 is about 36652.3555723230. The cubic root of 1343395169 is about 1103.4041017780.

The spelling of 1343395169 in words is "one billion, three hundred forty-three million, three hundred ninety-five thousand, one hundred sixty-nine".