6979668029 has 2 divisors, whose sum is σ = 6979668030. Its totient is φ = 6979668028.

The previous prime is 6979667977. The next prime is 6979668037. The reversal of 6979668029 is 9208669796.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6953892100 + 25775929 = 83390^2 + 5077^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6979668029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6979698029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3489834014 + 3489834015.

It is an arithmetic number, because the mean of its divisors is an integer number (3489834015).

Almost surely, 2^6979668029 is an apocalyptic number.

It is an amenable number.

6979668029 is a deficient number, since it is larger than the sum of its proper divisors (1).

6979668029 is an equidigital number, since it uses as much as digits as its factorization.

6979668029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17635968, while the sum is 62.

The square root of 6979668029 is about 83544.4075267758. The cubic root of 6979668029 is about 1911.0773075993.

The spelling of 6979668029 in words is "six billion, nine hundred seventy-nine million, six hundred sixty-eight thousand, twenty-nine".