67273510335013 has 2 divisors, whose sum is σ = 67273510335014. Its totient is φ = 67273510335012.

The previous prime is 67273510335001. The next prime is 67273510335019. The reversal of 67273510335013 is 31053301537276.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67179382867809 + 94127467204 = 8196303^2 + 306802^2 .

It is a cyclic number.

It is not a de Polignac number, because 67273510335013 - 2¹³ = 67273510326821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67273510335019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33636755167506 + 33636755167507.

It is an arithmetic number, because the mean of its divisors is an integer number (33636755167507).

Almost surely, 2^{67273510335013} is an apocalyptic number.

It is an amenable number.

67273510335013 is a deficient number, since it is larger than the sum of its proper divisors (1).

67273510335013 is an equidigital number, since it uses as much as digits as its factorization.

67273510335013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1190700, while the sum is 46.

The spelling of 67273510335013 in words is "sixty-seven trillion, two hundred seventy-three billion, five hundred ten million, three hundred thirty-five thousand, thirteen".