6868637913 has 8 divisors (see below), whose sum is σ = 9556365888. Its totient is φ = 4380000944.

The previous prime is 6868637903. The next prime is 6868637947. The reversal of 6868637913 is 3197368686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6868637913 - 2¹³ = 6868629721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6868637903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49772670 + ... + 49772807.

It is an arithmetic number, because the mean of its divisors is an integer number (1194545736).

Almost surely, 2^6868637913 is an apocalyptic number.

It is an amenable number.

6868637913 is a deficient number, since it is larger than the sum of its proper divisors (2687727975).

6868637913 is a wasteful number, since it uses less digits than its factorization.

6868637913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99545503.

The product of its digits is 7838208, while the sum is 57.

The square root of 6868637913 is about 82877.2460510121. The cubic root of 6868637913 is about 1900.8895108299.

The spelling of 6868637913 in words is "six billion, eight hundred sixty-eight million, six hundred thirty-seven thousand, nine hundred thirteen".