68204283571 has 2 divisors, whose sum is σ = 68204283572. Its totient is φ = 68204283570.

The previous prime is 68204283529. The next prime is 68204283619. The reversal of 68204283571 is 17538240286.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68204283571 - 2²⁵ = 68170729139 is a prime.

It is not a weakly prime, because it can be changed into another prime (68204283871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34102141785 + 34102141786.

It is an arithmetic number, because the mean of its divisors is an integer number (34102141786).

Almost surely, 2^68204283571 is an apocalyptic number.

68204283571 is a deficient number, since it is larger than the sum of its proper divisors (1).

68204283571 is an equidigital number, since it uses as much as digits as its factorization.

68204283571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 68204283571 in words is "sixty-eight billion, two hundred four million, two hundred eighty-three thousand, five hundred seventy-one".