6939164171 has 2 divisors, whose sum is σ = 6939164172. Its totient is φ = 6939164170.

The previous prime is 6939164153. The next prime is 6939164203. The reversal of 6939164171 is 1714619396.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6939164171 is a prime.

It is not a weakly prime, because it can be changed into another prime (6939164471) 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, 3469582085 + 3469582086.

It is an arithmetic number, because the mean of its divisors is an integer number (3469582086).

Almost surely, 2^6939164171 is an apocalyptic number.

6939164171 is a deficient number, since it is larger than the sum of its proper divisors (1).

6939164171 is an equidigital number, since it uses as much as digits as its factorization.

6939164171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 47.

The square root of 6939164171 is about 83301.6456680179. The cubic root of 6939164171 is about 1907.3733959753.

The spelling of 6939164171 in words is "six billion, nine hundred thirty-nine million, one hundred sixty-four thousand, one hundred seventy-one".