6968335663 has 4 divisors (see below), whose sum is σ = 6983386528. Its totient is φ = 6953284800.

The previous prime is 6968335607. The next prime is 6968335679. The reversal of 6968335663 is 3665338696.

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-6968335663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6968335163) 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, 7524738 + ... + 7525663.

It is an arithmetic number, because the mean of its divisors is an integer number (1745846632).

Almost surely, 2^6968335663 is an apocalyptic number.

6968335663 is a deficient number, since it is larger than the sum of its proper divisors (15050865).

6968335663 is a wasteful number, since it uses less digits than its factorization.

6968335663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15050864.

The product of its digits is 12597120, while the sum is 55.

The square root of 6968335663 is about 83476.5575655824. The cubic root of 6968335663 is about 1910.0424561344.

The spelling of 6968335663 in words is "six billion, nine hundred sixty-eight million, three hundred thirty-five thousand, six hundred sixty-three".