6326239993 has 4 divisors (see below), whose sum is σ = 6391459060. Its totient is φ = 6261020928.

The previous prime is 6326239987. The next prime is 6326240009. The reversal of 6326239993 is 3999326236.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2576882169 + 3749357824 = 50763^2 + 61232^2 .

It is a cyclic number.

It is not a de Polignac number, because 6326239993 - 2²⁹ = 5789369081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6326239993.

It is not an unprimeable number, because it can be changed into a prime (6326239963) 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 3 ways as a sum of consecutive naturals, for example, 32609388 + ... + 32609581.

It is an arithmetic number, because the mean of its divisors is an integer number (1597864765).

Almost surely, 2^6326239993 is an apocalyptic number.

It is an amenable number.

6326239993 is a deficient number, since it is larger than the sum of its proper divisors (65219067).

6326239993 is an equidigital number, since it uses as much as digits as its factorization.

6326239993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65219066.

The product of its digits is 2834352, while the sum is 52.

The square root of 6326239993 is about 79537.6639900871. The cubic root of 6326239993 is about 1849.4753801451.

The spelling of 6326239993 in words is "six billion, three hundred twenty-six million, two hundred thirty-nine thousand, nine hundred ninety-three".