6958935901979 has 2 divisors, whose sum is σ = 6958935901980. Its totient is φ = 6958935901978.

The previous prime is 6958935901949. The next prime is 6958935901997. The reversal of 6958935901979 is 9791095398596.

Together with next prime (6958935901997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6958935901979 - 2¹² = 6958935897883 is a prime.

It is a super-2 number, since 2×6958935901979² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (6958935901949) 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, 3479467950989 + 3479467950990.

It is an arithmetic number, because the mean of its divisors is an integer number (3479467950990).

Almost surely, 2^{6958935901979} is an apocalyptic number.

6958935901979 is a deficient number, since it is larger than the sum of its proper divisors (1).

6958935901979 is an equidigital number, since it uses as much as digits as its factorization.

6958935901979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1488034800, while the sum is 80.

The spelling of 6958935901979 in words is "six trillion, nine hundred fifty-eight billion, nine hundred thirty-five million, nine hundred one thousand, nine hundred seventy-nine".