6709786913 has 2 divisors, whose sum is σ = 6709786914. Its totient is φ = 6709786912.

The previous prime is 6709786907. The next prime is 6709786973. The reversal of 6709786913 is 3196879076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6588081889 + 121705024 = 81167^2 + 11032^2 .

It is a cyclic number.

It is not a de Polignac number, because 6709786913 - 2¹⁸ = 6709524769 is a prime.

It is not a weakly prime, because it can be changed into another prime (6709786903) 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 as a sum of consecutive naturals, namely, 3354893456 + 3354893457.

It is an arithmetic number, because the mean of its divisors is an integer number (3354893457).

Almost surely, 2^6709786913 is an apocalyptic number.

It is an amenable number.

6709786913 is a deficient number, since it is larger than the sum of its proper divisors (1).

6709786913 is an equidigital number, since it uses as much as digits as its factorization.

6709786913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3429216, while the sum is 56.

The square root of 6709786913 is about 81913.2889890279. The cubic root of 6709786913 is about 1886.1211109981.

The spelling of 6709786913 in words is "six billion, seven hundred nine million, seven hundred eighty-six thousand, nine hundred thirteen".