68328060529 has 2 divisors, whose sum is σ = 68328060530. Its totient is φ = 68328060528.

The previous prime is 68328060527. The next prime is 68328060553. The reversal of 68328060529 is 92506082386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44923650304 + 23404410225 = 211952^2 + 152985^2 .

It is a cyclic number.

It is not a de Polignac number, because 68328060529 - 2¹ = 68328060527 is a prime.

Together with 68328060527, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (68328060527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34164030264 + 34164030265.

It is an arithmetic number, because the mean of its divisors is an integer number (34164030265).

Almost surely, 2^68328060529 is an apocalyptic number.

It is an amenable number.

68328060529 is a deficient number, since it is larger than the sum of its proper divisors (1).

68328060529 is an equidigital number, since it uses as much as digits as its factorization.

68328060529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 68328060529 in words is "sixty-eight billion, three hundred twenty-eight million, sixty thousand, five hundred twenty-nine".