6786793913 has 2 divisors, whose sum is σ = 6786793914. Its totient is φ = 6786793912.

The previous prime is 6786793891. The next prime is 6786793927. The reversal of 6786793913 is 3193976876.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6598637824 + 188156089 = 81232^2 + 13717^2 .

It is a cyclic number.

It is not a de Polignac number, because 6786793913 - 2¹² = 6786789817 is a prime.

It is not a weakly prime, because it can be changed into another prime (6786793973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3393396956 + 3393396957.

It is an arithmetic number, because the mean of its divisors is an integer number (3393396957).

Almost surely, 2^6786793913 is an apocalyptic number.

It is an amenable number.

6786793913 is a deficient number, since it is larger than the sum of its proper divisors (1).

6786793913 is an equidigital number, since it uses as much as digits as its factorization.

6786793913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10287648, while the sum is 59.

The square root of 6786793913 is about 82381.9999332378. Note that the first 4 decimals coincide. The cubic root of 6786793913 is about 1893.3092377296.

The spelling of 6786793913 in words is "six billion, seven hundred eighty-six million, seven hundred ninety-three thousand, nine hundred thirteen".