6673171387 has 2 divisors, whose sum is σ = 6673171388. Its totient is φ = 6673171386.

The previous prime is 6673171367. The next prime is 6673171399. The reversal of 6673171387 is 7831713766.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6673171387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6673171387.

It is not a weakly prime, because it can be changed into another prime (6673171367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3336585693 + 3336585694.

It is an arithmetic number, because the mean of its divisors is an integer number (3336585694).

Almost surely, 2^6673171387 is an apocalyptic number.

6673171387 is a deficient number, since it is larger than the sum of its proper divisors (1).

6673171387 is an equidigital number, since it uses as much as digits as its factorization.

6673171387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 889056, while the sum is 49.

The square root of 6673171387 is about 81689.4814954777. The cubic root of 6673171387 is about 1882.6839764064.

The spelling of 6673171387 in words is "six billion, six hundred seventy-three million, one hundred seventy-one thousand, three hundred eighty-seven".