3198927289 has 2 divisors, whose sum is σ = 3198927290. Its totient is φ = 3198927288.

The previous prime is 3198927271. The next prime is 3198927317. The reversal of 3198927289 is 9827298913.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2549442064 + 649485225 = 50492^2 + 25485^2 .

It is a cyclic number.

It is not a de Polignac number, because 3198927289 - 2¹⁷ = 3198796217 is a prime.

It is not a weakly prime, because it can be changed into another prime (3198937289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1599463644 + 1599463645.

It is an arithmetic number, because the mean of its divisors is an integer number (1599463645).

Almost surely, 2^3198927289 is an apocalyptic number.

It is an amenable number.

3198927289 is a deficient number, since it is larger than the sum of its proper divisors (1).

3198927289 is an equidigital number, since it uses as much as digits as its factorization.

3198927289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3919104, while the sum is 58.

The square root of 3198927289 is about 56559.0601849076. The cubic root of 3198927289 is about 1473.4479185068.

The spelling of 3198927289 in words is "three billion, one hundred ninety-eight million, nine hundred twenty-seven thousand, two hundred eighty-nine".