67822865489 has 2 divisors, whose sum is σ = 67822865490. Its totient is φ = 67822865488.

The previous prime is 67822865479. The next prime is 67822865521. The reversal of 67822865489 is 98456822876.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51447312400 + 16375553089 = 226820^2 + 127967^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67822865489 is a prime.

It is not a weakly prime, because it can be changed into another prime (67822865479) 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, 33911432744 + 33911432745.

It is an arithmetic number, because the mean of its divisors is an integer number (33911432745).

Almost surely, 2^67822865489 is an apocalyptic number.

It is an amenable number.

67822865489 is a deficient number, since it is larger than the sum of its proper divisors (1).

67822865489 is an equidigital number, since it uses as much as digits as its factorization.

67822865489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92897280, while the sum is 65.

The spelling of 67822865489 in words is "sixty-seven billion, eight hundred twenty-two million, eight hundred sixty-five thousand, four hundred eighty-nine".