68270512133 has 2 divisors, whose sum is σ = 68270512134. Its totient is φ = 68270512132.

The previous prime is 68270512127. The next prime is 68270512159. The reversal of 68270512133 is 33121507286.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66877580449 + 1392931684 = 258607^2 + 37322^2 .

It is a cyclic number.

It is not a de Polignac number, because 68270512133 - 2⁴ = 68270512117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68270512033) 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, 34135256066 + 34135256067.

It is an arithmetic number, because the mean of its divisors is an integer number (34135256067).

Almost surely, 2^68270512133 is an apocalyptic number.

It is an amenable number.

68270512133 is a deficient number, since it is larger than the sum of its proper divisors (1).

68270512133 is an equidigital number, since it uses as much as digits as its factorization.

68270512133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 68270512133 in words is "sixty-eight billion, two hundred seventy million, five hundred twelve thousand, one hundred thirty-three".