3663968171 has 2 divisors, whose sum is σ = 3663968172. Its totient is φ = 3663968170.

The previous prime is 3663968167. The next prime is 3663968173. The reversal of 3663968171 is 1718693663.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3663968171 - 2² = 3663968167 is a prime.

Together with 3663968173, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3663968173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1831984085 + 1831984086.

It is an arithmetic number, because the mean of its divisors is an integer number (1831984086).

Almost surely, 2^3663968171 is an apocalyptic number.

3663968171 is a deficient number, since it is larger than the sum of its proper divisors (1).

3663968171 is an equidigital number, since it uses as much as digits as its factorization.

3663968171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 50.

The square root of 3663968171 is about 60530.7208861748. The cubic root of 3663968171 is about 1541.6432915446.

The spelling of 3663968171 in words is "three billion, six hundred sixty-three million, nine hundred sixty-eight thousand, one hundred seventy-one".