6867352321 has 2 divisors, whose sum is σ = 6867352322. Its totient is φ = 6867352320.

The previous prime is 6867352309. The next prime is 6867352361. The reversal of 6867352321 is 1232537686.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5839252225 + 1028100096 = 76415^2 + 32064^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6867352321 is a prime.

It is not a weakly prime, because it can be changed into another prime (6867352301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3433676160 + 3433676161.

It is an arithmetic number, because the mean of its divisors is an integer number (3433676161).

Almost surely, 2^6867352321 is an apocalyptic number.

It is an amenable number.

6867352321 is a deficient number, since it is larger than the sum of its proper divisors (1).

6867352321 is an equidigital number, since it uses as much as digits as its factorization.

6867352321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 43.

The square root of 6867352321 is about 82869.4896870977. The cubic root of 6867352321 is about 1900.7709079443.

The spelling of 6867352321 in words is "six billion, eight hundred sixty-seven million, three hundred fifty-two thousand, three hundred twenty-one".