68100712961 has 2 divisors, whose sum is σ = 68100712962. Its totient is φ = 68100712960.

The previous prime is 68100712951. The next prime is 68100713003. The reversal of 68100712961 is 16921700186.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68100121600 + 591361 = 260960^2 + 769^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68100712961 is a prime.

It is not a weakly prime, because it can be changed into another prime (68100712951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34050356480 + 34050356481.

It is an arithmetic number, because the mean of its divisors is an integer number (34050356481).

Almost surely, 2^68100712961 is an apocalyptic number.

It is an amenable number.

68100712961 is a deficient number, since it is larger than the sum of its proper divisors (1).

68100712961 is an equidigital number, since it uses as much as digits as its factorization.

68100712961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 41.

The spelling of 68100712961 in words is "sixty-eight billion, one hundred million, seven hundred twelve thousand, nine hundred sixty-one".