6868281967 has 4 divisors (see below), whose sum is σ = 6868450296. Its totient is φ = 6868113640.

The previous prime is 6868281887. The next prime is 6868282021. The reversal of 6868281967 is 7691828686.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6868281967 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 (6868221967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20073 + ... + 118909.

It is an arithmetic number, because the mean of its divisors is an integer number (1717112574).

Almost surely, 2^6868281967 is an apocalyptic number.

6868281967 is a deficient number, since it is larger than the sum of its proper divisors (168329).

6868281967 is an equidigital number, since it uses as much as digits as its factorization.

6868281967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168328.

The product of its digits is 13934592, while the sum is 61.

The square root of 6868281967 is about 82875.0985942098. The cubic root of 6868281967 is about 1900.8566743484.

The spelling of 6868281967 in words is "six billion, eight hundred sixty-eight million, two hundred eighty-one thousand, nine hundred sixty-seven".