255858654463 has 2 divisors, whose sum is σ = 255858654464. Its totient is φ = 255858654462.

The previous prime is 255858654461. The next prime is 255858654517. The reversal of 255858654463 is 364456858552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255858654463 - 2¹ = 255858654461 is a prime.

Together with 255858654461, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255858654461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127929327231 + 127929327232.

It is an arithmetic number, because the mean of its divisors is an integer number (127929327232).

Almost surely, 2^255858654463 is an apocalyptic number.

255858654463 is a deficient number, since it is larger than the sum of its proper divisors (1).

255858654463 is an equidigital number, since it uses as much as digits as its factorization.

255858654463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240000, while the sum is 61.

The spelling of 255858654463 in words is "two hundred fifty-five billion, eight hundred fifty-eight million, six hundred fifty-four thousand, four hundred sixty-three".