3188955641 has 2 divisors, whose sum is σ = 3188955642. Its totient is φ = 3188955640.

The previous prime is 3188955629. The next prime is 3188955643. The reversal of 3188955641 is 1465598813.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2007040000 + 1181915641 = 44800^2 + 34379^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3188955641 is a prime.

Together with 3188955643, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3188955641.

It is not a weakly prime, because it can be changed into another prime (3188955643) 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, 1594477820 + 1594477821.

It is an arithmetic number, because the mean of its divisors is an integer number (1594477821).

Almost surely, 2^3188955641 is an apocalyptic number.

It is an amenable number.

3188955641 is a deficient number, since it is larger than the sum of its proper divisors (1).

3188955641 is an equidigital number, since it uses as much as digits as its factorization.

3188955641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1036800, while the sum is 50.

The square root of 3188955641 is about 56470.8388551118. The cubic root of 3188955641 is about 1471.9153217143.

The spelling of 3188955641 in words is "three billion, one hundred eighty-eight million, nine hundred fifty-five thousand, six hundred forty-one".