67229791117 has 2 divisors, whose sum is σ = 67229791118. Its totient is φ = 67229791116.

The previous prime is 67229791099. The next prime is 67229791201. The reversal of 67229791117 is 71119792276.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45272775076 + 21957016041 = 212774^2 + 148179^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67229791117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67229491117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33614895558 + 33614895559.

It is an arithmetic number, because the mean of its divisors is an integer number (33614895559).

Almost surely, 2^67229791117 is an apocalyptic number.

It is an amenable number.

67229791117 is a deficient number, since it is larger than the sum of its proper divisors (1).

67229791117 is an equidigital number, since it uses as much as digits as its factorization.

67229791117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 666792, while the sum is 52.

The spelling of 67229791117 in words is "sixty-seven billion, two hundred twenty-nine million, seven hundred ninety-one thousand, one hundred seventeen".