6800042321 has 2 divisors, whose sum is σ = 6800042322. Its totient is φ = 6800042320.

The previous prime is 6800042311. The next prime is 6800042329. The reversal of 6800042321 is 1232400086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6709411921 + 90630400 = 81911^2 + 9520^2 .

It is a cyclic number.

It is not a de Polignac number, because 6800042321 - 2²⁶ = 6732933457 is a prime.

It is not a weakly prime, because it can be changed into another prime (6800042329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3400021160 + 3400021161.

It is an arithmetic number, because the mean of its divisors is an integer number (3400021161).

Almost surely, 2^6800042321 is an apocalyptic number.

It is an amenable number.

6800042321 is a deficient number, since it is larger than the sum of its proper divisors (1).

6800042321 is an equidigital number, since it uses as much as digits as its factorization.

6800042321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 6800042321 is about 82462.3691207086. The cubic root of 6800042321 is about 1894.5404046910.

The spelling of 6800042321 in words is "six billion, eight hundred million, forty-two thousand, three hundred twenty-one".