6948947959 has 4 divisors (see below), whose sum is σ = 6968304720. Its totient is φ = 6929591200.

The previous prime is 6948947953. The next prime is 6948947977. The reversal of 6948947959 is 9597498496.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6948947959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6948947953) 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 in 3 ways as a sum of consecutive naturals, for example, 9677842 + ... + 9678559.

It is an arithmetic number, because the mean of its divisors is an integer number (1742076180).

Almost surely, 2^6948947959 is an apocalyptic number.

6948947959 is a deficient number, since it is larger than the sum of its proper divisors (19356761).

6948947959 is a wasteful number, since it uses less digits than its factorization.

6948947959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19356760.

The product of its digits is 176359680, while the sum is 70.

The square root of 6948947959 is about 83360.3500412516. The cubic root of 6948947959 is about 1908.2694007825.

The spelling of 6948947959 in words is "six billion, nine hundred forty-eight million, nine hundred forty-seven thousand, nine hundred fifty-nine".