655006663643 has 2 divisors, whose sum is σ = 655006663644. Its totient is φ = 655006663642.

The previous prime is 655006663627. The next prime is 655006663669. The reversal of 655006663643 is 346366600556.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 655006663643 - 2⁴ = 655006663627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 655006663591 and 655006663600.

It is not a weakly prime, because it can be changed into another prime (655006663543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327503331821 + 327503331822.

It is an arithmetic number, because the mean of its divisors is an integer number (327503331822).

Almost surely, 2^655006663643 is an apocalyptic number.

655006663643 is a deficient number, since it is larger than the sum of its proper divisors (1).

655006663643 is an equidigital number, since it uses as much as digits as its factorization.

655006663643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6998400, while the sum is 50.

The spelling of 655006663643 in words is "six hundred fifty-five billion, six million, six hundred sixty-three thousand, six hundred forty-three".