6812012917 has 2 divisors, whose sum is σ = 6812012918. Its totient is φ = 6812012916.

The previous prime is 6812012827. The next prime is 6812012927. The reversal of 6812012917 is 7192102186.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5013489636 + 1798523281 = 70806^2 + 42409^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6812012917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6812012927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3406006458 + 3406006459.

It is an arithmetic number, because the mean of its divisors is an integer number (3406006459).

Almost surely, 2^6812012917 is an apocalyptic number.

It is an amenable number.

6812012917 is a deficient number, since it is larger than the sum of its proper divisors (1).

6812012917 is an equidigital number, since it uses as much as digits as its factorization.

6812012917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 6812012917 is about 82534.9193796177. The cubic root of 6812012917 is about 1895.6514508695.

The spelling of 6812012917 in words is "six billion, eight hundred twelve million, twelve thousand, nine hundred seventeen".