3189913871 has 2 divisors, whose sum is σ = 3189913872. Its totient is φ = 3189913870.

The previous prime is 3189913823. The next prime is 3189913889. The reversal of 3189913871 is 1783199813.

3189913871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (1783199813) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3189913871 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3189913801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1594956935 + 1594956936.

It is an arithmetic number, because the mean of its divisors is an integer number (1594956936).

Almost surely, 2^3189913871 is an apocalyptic number.

3189913871 is a deficient number, since it is larger than the sum of its proper divisors (1).

3189913871 is an equidigital number, since it uses as much as digits as its factorization.

3189913871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 50.

The square root of 3189913871 is about 56479.3225083304. The cubic root of 3189913871 is about 1472.0627359287.

The spelling of 3189913871 in words is "three billion, one hundred eighty-nine million, nine hundred thirteen thousand, eight hundred seventy-one".