255533588699 has 2 divisors, whose sum is σ = 255533588700. Its totient is φ = 255533588698.

The previous prime is 255533588683. The next prime is 255533588701. The reversal of 255533588699 is 996885335552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255533588699 - 2⁴ = 255533588683 is a prime.

It is a Sophie Germain prime.

Together with 255533588701, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (255533488699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127766794349 + 127766794350.

It is an arithmetic number, because the mean of its divisors is an integer number (127766794350).

Almost surely, 2^255533588699 is an apocalyptic number.

255533588699 is a deficient number, since it is larger than the sum of its proper divisors (1).

255533588699 is an equidigital number, since it uses as much as digits as its factorization.

255533588699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920000, while the sum is 68.

The spelling of 255533588699 in words is "two hundred fifty-five billion, five hundred thirty-three million, five hundred eighty-eight thousand, six hundred ninety-nine".