6800787861589 has 2 divisors, whose sum is σ = 6800787861590. Its totient is φ = 6800787861588.

The previous prime is 6800787861523. The next prime is 6800787861611. The reversal of 6800787861589 is 9851687870086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4115351848689 + 2685436012900 = 2028633^2 + 1638730^2 .

It is a cyclic number.

It is not a de Polignac number, because 6800787861589 - 2¹³ = 6800787853397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6800787865589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3400393930794 + 3400393930795.

It is an arithmetic number, because the mean of its divisors is an integer number (3400393930795).

Almost surely, 2^{6800787861589} is an apocalyptic number.

It is an amenable number.

6800787861589 is a deficient number, since it is larger than the sum of its proper divisors (1).

6800787861589 is an equidigital number, since it uses as much as digits as its factorization.

6800787861589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 325140480, while the sum is 73.

The spelling of 6800787861589 in words is "six trillion, eight hundred billion, seven hundred eighty-seven million, eight hundred sixty-one thousand, five hundred eighty-nine".