66463343312059 has 2 divisors, whose sum is σ = 66463343312060. Its totient is φ = 66463343312058.

The previous prime is 66463343312033. The next prime is 66463343312117. The reversal of 66463343312059 is 95021334336466.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66463343312059 - 2¹¹ = 66463343310011 is a prime.

It is not a weakly prime, because it can be changed into another prime (66463343315059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33231671656029 + 33231671656030.

It is an arithmetic number, because the mean of its divisors is an integer number (33231671656030).

Almost surely, 2^{66463343312059} is an apocalyptic number.

66463343312059 is a deficient number, since it is larger than the sum of its proper divisors (1).

66463343312059 is an equidigital number, since it uses as much as digits as its factorization.

66463343312059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25194240, while the sum is 55.

The spelling of 66463343312059 in words is "sixty-six trillion, four hundred sixty-three billion, three hundred forty-three million, three hundred twelve thousand, fifty-nine".