1355332169 has 2 divisors, whose sum is σ = 1355332170. Its totient is φ = 1355332168.

The previous prime is 1355332141. The next prime is 1355332171. The reversal of 1355332169 is 9612335531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1311308944 + 44023225 = 36212^2 + 6635^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1355332169 is a prime.

It is a super-2 number, since 2×1355332169² = 3673850576652489122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1355332171, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1355532169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677666084 + 677666085.

It is an arithmetic number, because the mean of its divisors is an integer number (677666085).

Almost surely, 2^1355332169 is an apocalyptic number.

It is an amenable number.

1355332169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355332169 is an equidigital number, since it uses as much as digits as its factorization.

1355332169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72900, while the sum is 38.

The square root of 1355332169 is about 36814.8362620289. The cubic root of 1355332169 is about 1106.6626401343.

The spelling of 1355332169 in words is "one billion, three hundred fifty-five million, three hundred thirty-two thousand, one hundred sixty-nine".