66734074001293 has 2 divisors, whose sum is σ = 66734074001294. Its totient is φ = 66734074001292.

The previous prime is 66734074001279. The next prime is 66734074001299. The reversal of 66734074001293 is 39210047043766.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35884736409769 + 30849337591524 = 5990387^2 + 5554218^2 .

It is a cyclic number.

It is not a de Polignac number, because 66734074001293 - 2¹⁷ = 66734073870221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66734074001293.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66734074001299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33367037000646 + 33367037000647.

It is an arithmetic number, because the mean of its divisors is an integer number (33367037000647).

Almost surely, 2^{66734074001293} is an apocalyptic number.

It is an amenable number.

66734074001293 is a deficient number, since it is larger than the sum of its proper divisors (1).

66734074001293 is an equidigital number, since it uses as much as digits as its factorization.

66734074001293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4572288, while the sum is 52.

The spelling of 66734074001293 in words is "sixty-six trillion, seven hundred thirty-four billion, seventy-four million, one thousand, two hundred ninety-three".