3189818213 has 2 divisors, whose sum is σ = 3189818214. Its totient is φ = 3189818212.

The previous prime is 3189818143. The next prime is 3189818221. The reversal of 3189818213 is 3128189813.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3143059969 + 46758244 = 56063^2 + 6838^2 .

It is a cyclic number.

It is not a de Polignac number, because 3189818213 - 2¹⁴ = 3189801829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3189818243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1594909106 + 1594909107.

It is an arithmetic number, because the mean of its divisors is an integer number (1594909107).

Almost surely, 2^3189818213 is an apocalyptic number.

It is an amenable number.

3189818213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3189818213 is an equidigital number, since it uses as much as digits as its factorization.

3189818213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 44.

The square root of 3189818213 is about 56478.4756610870. The cubic root of 3189818213 is about 1472.0480212174.

The spelling of 3189818213 in words is "three billion, one hundred eighty-nine million, eight hundred eighteen thousand, two hundred thirteen".