6655456523 has 2 divisors, whose sum is σ = 6655456524. Its totient is φ = 6655456522.

The previous prime is 6655456517. The next prime is 6655456543. The reversal of 6655456523 is 3256545566.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6655456523 - 2⁸ = 6655456267 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (6655456543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3327728261 + 3327728262.

It is an arithmetic number, because the mean of its divisors is an integer number (3327728262).

Almost surely, 2^6655456523 is an apocalyptic number.

6655456523 is a deficient number, since it is larger than the sum of its proper divisors (1).

6655456523 is an equidigital number, since it uses as much as digits as its factorization.

6655456523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240000, while the sum is 47.

The square root of 6655456523 is about 81580.9813804664. The cubic root of 6655456523 is about 1881.0165510138.

The spelling of 6655456523 in words is "six billion, six hundred fifty-five million, four hundred fifty-six thousand, five hundred twenty-three".