6993855972683 has 4 divisors (see below), whose sum is σ = 6996278509680. Its totient is φ = 6991433435688.

The previous prime is 6993855972679. The next prime is 6993855972743. The reversal of 6993855972683 is 3862795583996.

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

It is a cyclic number.

It is not a de Polignac number, because 6993855972683 - 2² = 6993855972679 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6993855972598 and 6993855972607.

It is not an unprimeable number, because it can be changed into a prime (6993855972083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1211264168 + ... + 1211269941.

It is an arithmetic number, because the mean of its divisors is an integer number (1749069627420).

Almost surely, 2^{6993855972683} is an apocalyptic number.

6993855972683 is a deficient number, since it is larger than the sum of its proper divisors (2422536997).

6993855972683 is a wasteful number, since it uses less digits than its factorization.

6993855972683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422536996.

The product of its digits is 5290790400, while the sum is 80.

The spelling of 6993855972683 in words is "six trillion, nine hundred ninety-three billion, eight hundred fifty-five million, nine hundred seventy-two thousand, six hundred eighty-three".