6422558993 has 8 divisors (see below), whose sum is σ = 6492069480. Its totient is φ = 6353164800.

The previous prime is 6422558981. The next prime is 6422559067. The reversal of 6422558993 is 3998552246.

It can be written as a sum of positive squares in 4 ways, for example, as 20638849 + 6401920144 = 4543^2 + 80012^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6422558993 - 2¹⁰ = 6422557969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6422558903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84353 + ... + 141281.

It is an arithmetic number, because the mean of its divisors is an integer number (811508685).

Almost surely, 2^6422558993 is an apocalyptic number.

It is an amenable number.

6422558993 is a deficient number, since it is larger than the sum of its proper divisors (69510487).

6422558993 is a wasteful number, since it uses less digits than its factorization.

6422558993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58147.

The product of its digits is 4665600, while the sum is 53.

The square root of 6422558993 is about 80140.8696795836. The cubic root of 6422558993 is about 1858.8144247390.

The spelling of 6422558993 in words is "six billion, four hundred twenty-two million, five hundred fifty-eight thousand, nine hundred ninety-three".