68135634000037 has 2 divisors, whose sum is σ = 68135634000038. Its totient is φ = 68135634000036.

The previous prime is 68135633999891. The next prime is 68135634000067. The reversal of 68135634000037 is 73000043653186.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37543241580516 + 30592392419521 = 6127254^2 + 5531039^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68135634000037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68135634000067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34067817000018 + 34067817000019.

It is an arithmetic number, because the mean of its divisors is an integer number (34067817000019).

Almost surely, 2^{68135634000037} is an apocalyptic number.

It is an amenable number.

68135634000037 is a deficient number, since it is larger than the sum of its proper divisors (1).

68135634000037 is an equidigital number, since it uses as much as digits as its factorization.

68135634000037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 68135634000037 in words is "sixty-eight trillion, one hundred thirty-five billion, six hundred thirty-four million, thirty-seven", and thus it is an aban number.