6863875289 has 2 divisors, whose sum is σ = 6863875290. Its totient is φ = 6863875288.

The previous prime is 6863875127. The next prime is 6863875309. The reversal of 6863875289 is 9825783686.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3830619664 + 3033255625 = 61892^2 + 55075^2 .

It is a cyclic number.

It is not a de Polignac number, because 6863875289 - 2²⁴ = 6847098073 is a prime.

It is a super-2 number, since 2×6863875289² = 94225567965889667042, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6863878289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3431937644 + 3431937645.

It is an arithmetic number, because the mean of its divisors is an integer number (3431937645).

Almost surely, 2^6863875289 is an apocalyptic number.

It is an amenable number.

6863875289 is a deficient number, since it is larger than the sum of its proper divisors (1).

6863875289 is an equidigital number, since it uses as much as digits as its factorization.

6863875289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34836480, while the sum is 62.

The square root of 6863875289 is about 82848.5080674360. The cubic root of 6863875289 is about 1900.4500585742.

The spelling of 6863875289 in words is "six billion, eight hundred sixty-three million, eight hundred seventy-five thousand, two hundred eighty-nine".