6898695968987 has 2 divisors, whose sum is σ = 6898695968988. Its totient is φ = 6898695968986.

The previous prime is 6898695968963. The next prime is 6898695969017. The reversal of 6898695968987 is 7898695968986.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6898695968987 - 2¹⁰ = 6898695967963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6898695968893 and 6898695968902.

It is not a weakly prime, because it can be changed into another prime (6898695968887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3449347984493 + 3449347984494.

It is an arithmetic number, because the mean of its divisors is an integer number (3449347984494).

Almost surely, 2^{6898695968987} is an apocalyptic number.

6898695968987 is a deficient number, since it is larger than the sum of its proper divisors (1).

6898695968987 is an equidigital number, since it uses as much as digits as its factorization.

6898695968987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 203166351360, while the sum is 98.

Subtracting 6898695968987 from its reverse (7898695968986), we obtain a palindrome (999999999999).

The spelling of 6898695968987 in words is "six trillion, eight hundred ninety-eight billion, six hundred ninety-five million, nine hundred sixty-eight thousand, nine hundred eighty-seven".