6423382555 has 4 divisors (see below), whose sum is σ = 7708059072. Its totient is φ = 5138706040.

The previous prime is 6423382549. The next prime is 6423382571. The reversal of 6423382555 is 5552833246.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6423382555 - 2²⁹ = 5886511643 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 642338251 + ... + 642338260.

It is an arithmetic number, because the mean of its divisors is an integer number (1927014768).

Almost surely, 2^6423382555 is an apocalyptic number.

6423382555 is a deficient number, since it is larger than the sum of its proper divisors (1284676517).

6423382555 is a wasteful number, since it uses less digits than its factorization.

6423382555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284676516.

The product of its digits is 864000, while the sum is 43.

The square root of 6423382555 is about 80146.0077296430. The cubic root of 6423382555 is about 1858.8938730035.

The spelling of 6423382555 in words is "six billion, four hundred twenty-three million, three hundred eighty-two thousand, five hundred fifty-five".