66307929113 has 2 divisors, whose sum is σ = 66307929114. Its totient is φ = 66307929112.

The previous prime is 66307929073. The next prime is 66307929169. The reversal of 66307929113 is 31192970366.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63841118224 + 2466810889 = 252668^2 + 49667^2 .

It is a cyclic number.

It is not a de Polignac number, because 66307929113 - 2²⁰ = 66306880537 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (66307929313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33153964556 + 33153964557.

It is an arithmetic number, because the mean of its divisors is an integer number (33153964557).

Almost surely, 2^66307929113 is an apocalyptic number.

It is an amenable number.

66307929113 is a deficient number, since it is larger than the sum of its proper divisors (1).

66307929113 is an equidigital number, since it uses as much as digits as its factorization.

66307929113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 47.

The spelling of 66307929113 in words is "sixty-six billion, three hundred seven million, nine hundred twenty-nine thousand, one hundred thirteen".