255423054699 has 8 divisors (see below), whose sum is σ = 378404525520. Its totient is φ = 170282036448.

The previous prime is 255423054671. The next prime is 255423054701. The reversal of 255423054699 is 996450324552.

255423054699 is a `hidden beast` number, since 2 + 5 + 5 + 4 + 2 + 3 + 0 + 546 + 99 = 666.

It is not a de Polignac number, because 255423054699 - 2⁸ = 255423054443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255423054629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4730056542 + ... + 4730056595.

It is an arithmetic number, because the mean of its divisors is an integer number (47300565690).

Almost surely, 2^255423054699 is an apocalyptic number.

255423054699 is a deficient number, since it is larger than the sum of its proper divisors (122981470821).

255423054699 is an equidigital number, since it uses as much as digits as its factorization.

255423054699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9460113146 (or 9460113140 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 54.

The spelling of 255423054699 in words is "two hundred fifty-five billion, four hundred twenty-three million, fifty-four thousand, six hundred ninety-nine".