66524750339 has 2 divisors, whose sum is σ = 66524750340. Its totient is φ = 66524750338.

The previous prime is 66524750323. The next prime is 66524750377. The reversal of 66524750339 is 93305742566.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66524750339 - 2⁴ = 66524750323 is a prime.

It is a super-2 number, since 2×66524750339² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (66524750309) 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, 33262375169 + 33262375170.

It is an arithmetic number, because the mean of its divisors is an integer number (33262375170).

Almost surely, 2^66524750339 is an apocalyptic number.

66524750339 is a deficient number, since it is larger than the sum of its proper divisors (1).

66524750339 is an equidigital number, since it uses as much as digits as its factorization.

66524750339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4082400, while the sum is 50.

The spelling of 66524750339 in words is "sixty-six billion, five hundred twenty-four million, seven hundred fifty thousand, three hundred thirty-nine".