6868650731 has 8 divisors (see below), whose sum is σ = 7003521600. Its totient is φ = 6734395080.

The previous prime is 6868650713. The next prime is 6868650751. The reversal of 6868650731 is 1370568686.

It is a happy number.

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 6868650731 - 2²² = 6864456427 is a prime.

It is a super-2 number, since 2×6868650731² = 94356725728933668722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6868650731.

It is not an unprimeable number, because it can be changed into a prime (6868650751) 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 7 ways as a sum of consecutive naturals, for example, 131225 + ... + 175946.

It is an arithmetic number, because the mean of its divisors is an integer number (875440200).

Almost surely, 2^6868650731 is an apocalyptic number.

6868650731 is a deficient number, since it is larger than the sum of its proper divisors (134870869).

6868650731 is a wasteful number, since it uses less digits than its factorization.

6868650731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307609.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 6868650731 is about 82877.3233822135. The cubic root of 6868650731 is about 1900.8906932859.

The spelling of 6868650731 in words is "six billion, eight hundred sixty-eight million, six hundred fifty thousand, seven hundred thirty-one".