3189971293 has 2 divisors, whose sum is σ = 3189971294. Its totient is φ = 3189971292.

The previous prime is 3189971251. The next prime is 3189971303. The reversal of 3189971293 is 3921799813.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2367600964 + 822370329 = 48658^2 + 28677^2 .

It is an emirp because it is prime and its reverse (3921799813) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3189971293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3189971293.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3189978293) 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, 1594985646 + 1594985647.

It is an arithmetic number, because the mean of its divisors is an integer number (1594985647).

Almost surely, 2^3189971293 is an apocalyptic number.

It is an amenable number.

3189971293 is a deficient number, since it is larger than the sum of its proper divisors (1).

3189971293 is an equidigital number, since it uses as much as digits as its factorization.

3189971293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 734832, while the sum is 52.

The square root of 3189971293 is about 56479.8308513756. The cubic root of 3189971293 is about 1472.0715687982.

The spelling of 3189971293 in words is "three billion, one hundred eighty-nine million, nine hundred seventy-one thousand, two hundred ninety-three".