67106838769973 has 2 divisors, whose sum is σ = 67106838769974. Its totient is φ = 67106838769972.

The previous prime is 67106838769897. The next prime is 67106838770017. The reversal of 67106838769973 is 37996783860176.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54508364148484 + 12598474621489 = 7382978^2 + 3549433^2 .

It is a cyclic number.

It is not a de Polignac number, because 67106838769973 - 2⁴⁴ = 49514652725557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67106838762973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33553419384986 + 33553419384987.

It is an arithmetic number, because the mean of its divisors is an integer number (33553419384987).

Almost surely, 2^{67106838769973} is an apocalyptic number.

It is an amenable number.

67106838769973 is a deficient number, since it is larger than the sum of its proper divisors (1).

67106838769973 is an equidigital number, since it uses as much as digits as its factorization.

67106838769973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456649728, while the sum is 80.

The spelling of 67106838769973 in words is "sixty-seven trillion, one hundred six billion, eight hundred thirty-eight million, seven hundred sixty-nine thousand, nine hundred seventy-three".