67836268009 has 2 divisors, whose sum is σ = 67836268010. Its totient is φ = 67836268008.

The previous prime is 67836268001. The next prime is 67836268021. The reversal of 67836268009 is 90086263876.

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., 57092323600 + 10743944409 = 238940^2 + 103653^2 .

It is a cyclic number.

It is not a de Polignac number, because 67836268009 - 2³ = 67836268001 is a prime.

It is not a weakly prime, because it can be changed into another prime (67836268001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33918134004 + 33918134005.

It is an arithmetic number, because the mean of its divisors is an integer number (33918134005).

Almost surely, 2^67836268009 is an apocalyptic number.

It is an amenable number.

67836268009 is a deficient number, since it is larger than the sum of its proper divisors (1).

67836268009 is an equidigital number, since it uses as much as digits as its factorization.

67836268009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 67836268009 in words is "sixty-seven billion, eight hundred thirty-six million, two hundred sixty-eight thousand, nine".