68800484021 has 2 divisors, whose sum is σ = 68800484022. Its totient is φ = 68800484020.

The previous prime is 68800484003. The next prime is 68800484087. The reversal of 68800484021 is 12048400886.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61556091025 + 7244392996 = 248105^2 + 85114^2 .

It is a cyclic number.

It is not a de Polignac number, because 68800484021 - 2¹⁰ = 68800482997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68800484021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68800484521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34400242010 + 34400242011.

It is an arithmetic number, because the mean of its divisors is an integer number (34400242011).

Almost surely, 2^68800484021 is an apocalyptic number.

It is an amenable number.

68800484021 is a deficient number, since it is larger than the sum of its proper divisors (1).

68800484021 is an equidigital number, since it uses as much as digits as its factorization.

68800484021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98304, while the sum is 41.

The spelling of 68800484021 in words is "sixty-eight billion, eight hundred million, four hundred eighty-four thousand, twenty-one".