255564463443 has 8 divisors (see below), whose sum is σ = 344858071488. Its totient is φ = 168323582184.

The previous prime is 255564463417. The next prime is 255564463493. The reversal of 255564463443 is 344364465552.

255564463443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 255564463443 - 2⁵ = 255564463411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255564463493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513181405 + ... + 513181902.

It is an arithmetic number, because the mean of its divisors is an integer number (43107258936).

Almost surely, 2^255564463443 is an apocalyptic number.

255564463443 is a deficient number, since it is larger than the sum of its proper divisors (89293608045).

255564463443 is a wasteful number, since it uses less digits than its factorization.

255564463443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026363393.

The product of its digits is 20736000, while the sum is 51.

The spelling of 255564463443 in words is "two hundred fifty-five billion, five hundred sixty-four million, four hundred sixty-three thousand, four hundred forty-three".