6659345233679 has 2 divisors, whose sum is σ = 6659345233680. Its totient is φ = 6659345233678.

The previous prime is 6659345233633. The next prime is 6659345233811. The reversal of 6659345233679 is 9763325439566.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6659345233679 - 2²⁸ = 6659076798223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6659345233609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3329672616839 + 3329672616840.

It is an arithmetic number, because the mean of its divisors is an integer number (3329672616840).

Almost surely, 2^{6659345233679} is an apocalyptic number.

6659345233679 is a deficient number, since it is larger than the sum of its proper divisors (1).

6659345233679 is an equidigital number, since it uses as much as digits as its factorization.

6659345233679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 661348800, while the sum is 68.

The spelling of 6659345233679 in words is "six trillion, six hundred fifty-nine billion, three hundred forty-five million, two hundred thirty-three thousand, six hundred seventy-nine".