6915979079 has 2 divisors, whose sum is σ = 6915979080. Its totient is φ = 6915979078.

The previous prime is 6915979051. The next prime is 6915979099. The reversal of 6915979079 is 9709795196.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6915979079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6915979009) 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, 3457989539 + 3457989540.

It is an arithmetic number, because the mean of its divisors is an integer number (3457989540).

Almost surely, 2^6915979079 is an apocalyptic number.

6915979079 is a deficient number, since it is larger than the sum of its proper divisors (1).

6915979079 is an equidigital number, since it uses as much as digits as its factorization.

6915979079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9644670, while the sum is 62.

The square root of 6915979079 is about 83162.3657612023. The cubic root of 6915979079 is about 1905.2467243127.

The spelling of 6915979079 in words is "six billion, nine hundred fifteen million, nine hundred seventy-nine thousand, seventy-nine".