67389530861 has 2 divisors, whose sum is σ = 67389530862. Its totient is φ = 67389530860.

The previous prime is 67389530843. The next prime is 67389530881. The reversal of 67389530861 is 16803598376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36564705961 + 30824824900 = 191219^2 + 175570^2 .

It is a cyclic number.

It is not a de Polignac number, because 67389530861 - 2⁶ = 67389530797 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67389530797 and 67389530806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67389530801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33694765430 + 33694765431.

It is an arithmetic number, because the mean of its divisors is an integer number (33694765431).

Almost surely, 2^67389530861 is an apocalyptic number.

It is an amenable number.

67389530861 is a deficient number, since it is larger than the sum of its proper divisors (1).

67389530861 is an equidigital number, since it uses as much as digits as its factorization.

67389530861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 67389530861 in words is "sixty-seven billion, three hundred eighty-nine million, five hundred thirty thousand, eight hundred sixty-one".