6948174979 has 2 divisors, whose sum is σ = 6948174980. Its totient is φ = 6948174978.

The previous prime is 6948174917. The next prime is 6948174997. The reversal of 6948174979 is 9794718496.

Together with next prime (6948174997) 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 6948174979 - 2³¹ = 4800691331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6948174979.

It is not a weakly prime, because it can be changed into another prime (6948174379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3474087489 + 3474087490.

It is an arithmetic number, because the mean of its divisors is an integer number (3474087490).

Almost surely, 2^6948174979 is an apocalyptic number.

6948174979 is a deficient number, since it is larger than the sum of its proper divisors (1).

6948174979 is an equidigital number, since it uses as much as digits as its factorization.

6948174979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27433728, while the sum is 64.

The square root of 6948174979 is about 83355.7135354260. The cubic root of 6948174979 is about 1908.1986414490.

The spelling of 6948174979 in words is "six billion, nine hundred forty-eight million, one hundred seventy-four thousand, nine hundred seventy-nine".