6618325871 has 2 divisors, whose sum is σ = 6618325872. Its totient is φ = 6618325870.

The previous prime is 6618325829. The next prime is 6618325897. The reversal of 6618325871 is 1785238166.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6618325871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6618325771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3309162935 + 3309162936.

It is an arithmetic number, because the mean of its divisors is an integer number (3309162936).

Almost surely, 2^6618325871 is an apocalyptic number.

6618325871 is a deficient number, since it is larger than the sum of its proper divisors (1).

6618325871 is an equidigital number, since it uses as much as digits as its factorization.

6618325871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 47.

The square root of 6618325871 is about 81353.0938010350. The cubic root of 6618325871 is about 1877.5119749970.

The spelling of 6618325871 in words is "six billion, six hundred eighteen million, three hundred twenty-five thousand, eight hundred seventy-one".