6978342713 has 2 divisors, whose sum is σ = 6978342714. Its totient is φ = 6978342712.

The previous prime is 6978342691. The next prime is 6978342727. The reversal of 6978342713 is 3172438796.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6304836409 + 673506304 = 79403^2 + 25952^2 .

It is a cyclic number.

It is not a de Polignac number, because 6978342713 - 2⁸ = 6978342457 is a prime.

It is not a weakly prime, because it can be changed into another prime (6978342773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3489171356 + 3489171357.

It is an arithmetic number, because the mean of its divisors is an integer number (3489171357).

Almost surely, 2^6978342713 is an apocalyptic number.

It is an amenable number.

6978342713 is a deficient number, since it is larger than the sum of its proper divisors (1).

6978342713 is an equidigital number, since it uses as much as digits as its factorization.

6978342713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 50.

The square root of 6978342713 is about 83536.4753446062. The cubic root of 6978342713 is about 1910.9563399712.

The spelling of 6978342713 in words is "six billion, nine hundred seventy-eight million, three hundred forty-two thousand, seven hundred thirteen".