6949886913 has 40 divisors (see below), whose sum is σ = 10582640640. Its totient is φ = 4544527680.

The previous prime is 6949886893. The next prime is 6949886929. The reversal of 6949886913 is 3196889496.

It is a happy number.

6949886913 is a `hidden beast` number, since 69 + 498 + 86 + 9 + 1 + 3 = 666.

6949886913 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6949886913 - 2⁹ = 6949886401 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6949886213) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 911748 + ... + 919338.

It is an arithmetic number, because the mean of its divisors is an integer number (264566016).

Almost surely, 2^6949886913 is an apocalyptic number.

It is an amenable number.

6949886913 is a deficient number, since it is larger than the sum of its proper divisors (3632753727).

6949886913 is a wasteful number, since it uses less digits than its factorization.

6949886913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7819 (or 7810 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 63.

The square root of 6949886913 is about 83365.9817491523. The cubic root of 6949886913 is about 1908.3553464777.

The spelling of 6949886913 in words is "six billion, nine hundred forty-nine million, eight hundred eighty-six thousand, nine hundred thirteen".