683970805099 has 4 divisors (see below), whose sum is σ = 699877102936. Its totient is φ = 668064507264.

The previous prime is 683970805057. The next prime is 683970805127. The reversal of 683970805099 is 990508079386.

It is a happy number.

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 683970805099 - 2¹¹ = 683970803051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 683970805099.

It is not an unprimeable number, because it can be changed into a prime (683970805799) 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, 7953148854 + ... + 7953148939.

It is an arithmetic number, because the mean of its divisors is an integer number (174969275734).

Almost surely, 2^683970805099 is an apocalyptic number.

683970805099 is a deficient number, since it is larger than the sum of its proper divisors (15906297837).

683970805099 is a wasteful number, since it uses less digits than its factorization.

683970805099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15906297836.

The product of its (nonzero) digits is 29393280, while the sum is 64.

The spelling of 683970805099 in words is "six hundred eighty-three billion, nine hundred seventy million, eight hundred five thousand, ninety-nine".