6898695968999 has 4 divisors (see below), whose sum is σ = 6900095019960. Its totient is φ = 6897296918040.

The previous prime is 6898695968987. The next prime is 6898695969017. The reversal of 6898695968999 is 9998695968986.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6898695968999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6898695968899 and 6898695968908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6898695968929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 699518084 + ... + 699527945.

It is an arithmetic number, because the mean of its divisors is an integer number (1725023754990).

Almost surely, 2^{6898695968999} is an apocalyptic number.

6898695968999 is a deficient number, since it is larger than the sum of its proper divisors (1399050961).

6898695968999 is a wasteful number, since it uses less digits than its factorization.

6898695968999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399050960.

The product of its digits is 293865615360, while the sum is 101.

The spelling of 6898695968999 in words is "six trillion, eight hundred ninety-eight billion, six hundred ninety-five million, nine hundred sixty-eight thousand, nine hundred ninety-nine".