1353686189 has 2 divisors, whose sum is σ = 1353686190. Its totient is φ = 1353686188.

The previous prime is 1353686153. The next prime is 1353686203. The reversal of 1353686189 is 9816863531.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1189077289 + 164608900 = 34483^2 + 12830^2 .

It is a cyclic number.

It is not a de Polignac number, because 1353686189 - 2²⁴ = 1336908973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1353680189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676843094 + 676843095.

It is an arithmetic number, because the mean of its divisors is an integer number (676843095).

Almost surely, 2^1353686189 is an apocalyptic number.

It is an amenable number.

1353686189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1353686189 is an equidigital number, since it uses as much as digits as its factorization.

1353686189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 50.

The square root of 1353686189 is about 36792.4746245751. The cubic root of 1353686189 is about 1106.2144640335.

The spelling of 1353686189 in words is "one billion, three hundred fifty-three million, six hundred eighty-six thousand, one hundred eighty-nine".