6863173897 has 2 divisors, whose sum is σ = 6863173898. Its totient is φ = 6863173896.

The previous prime is 6863173883. The next prime is 6863173903. The reversal of 6863173897 is 7983713686.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3659161081 + 3204012816 = 60491^2 + 56604^2 .

It is a cyclic number.

It is not a de Polignac number, because 6863173897 - 2⁷ = 6863173769 is a prime.

It is not a weakly prime, because it can be changed into another prime (6863173817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3431586948 + 3431586949.

It is an arithmetic number, because the mean of its divisors is an integer number (3431586949).

Almost surely, 2^6863173897 is an apocalyptic number.

It is an amenable number.

6863173897 is a deficient number, since it is larger than the sum of its proper divisors (1).

6863173897 is an equidigital number, since it uses as much as digits as its factorization.

6863173897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9144576, while the sum is 58.

The square root of 6863173897 is about 82844.2749802302. The cubic root of 6863173897 is about 1900.3853232356.

The spelling of 6863173897 in words is "six billion, eight hundred sixty-three million, one hundred seventy-three thousand, eight hundred ninety-seven".