3613312189 has 2 divisors, whose sum is σ = 3613312190. Its totient is φ = 3613312188.

The previous prime is 3613312169. The next prime is 3613312237. The reversal of 3613312189 is 9812133163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3551564025 + 61748164 = 59595^2 + 7858^2 .

It is a cyclic number.

It is not a de Polignac number, because 3613312189 - 2¹³ = 3613303997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3613312169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1806656094 + 1806656095.

It is an arithmetic number, because the mean of its divisors is an integer number (1806656095).

Almost surely, 2^3613312189 is an apocalyptic number.

It is an amenable number.

3613312189 is a deficient number, since it is larger than the sum of its proper divisors (1).

3613312189 is an equidigital number, since it uses as much as digits as its factorization.

3613312189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 37.

The square root of 3613312189 is about 60110.8325428953. The cubic root of 3613312189 is about 1534.5056624896.

The spelling of 3613312189 in words is "three billion, six hundred thirteen million, three hundred twelve thousand, one hundred eighty-nine".