6936783099839 has 16 divisors (see below), whose sum is σ = 7269461415936. Its totient is φ = 6610967906400.

The previous prime is 6936783099811. The next prime is 6936783099881. The reversal of 6936783099839 is 9389903876396.

It is a cyclic number.

It is not a de Polignac number, because 6936783099839 - 2¹² = 6936783095743 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 (6936783099809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6971414 + ... + 7904060.

It is an arithmetic number, because the mean of its divisors is an integer number (454341338496).

Almost surely, 2^{6936783099839} is an apocalyptic number.

6936783099839 is a deficient number, since it is larger than the sum of its proper divisors (332678316097).

6936783099839 is a wasteful number, since it uses less digits than its factorization.

6936783099839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936326.

The product of its (nonzero) digits is 2857026816, while the sum is 80.

The spelling of 6936783099839 in words is "six trillion, nine hundred thirty-six billion, seven hundred eighty-three million, ninety-nine thousand, eight hundred thirty-nine".