6243819249 has 4 divisors (see below), whose sum is σ = 8325092336. Its totient is φ = 4162546164.

The previous prime is 6243819229. The next prime is 6243819271. The reversal of 6243819249 is 9429183426.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6243819249 - 2¹⁶ = 6243753713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6243819198 and 6243819207.

It is not an unprimeable number, because it can be changed into a prime (6243819209) 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, 1040636539 + ... + 1040636544.

It is an arithmetic number, because the mean of its divisors is an integer number (2081273084).

Almost surely, 2^6243819249 is an apocalyptic number.

It is an amenable number.

6243819249 is a deficient number, since it is larger than the sum of its proper divisors (2081273087).

6243819249 is a wasteful number, since it uses less digits than its factorization.

6243819249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081273086.

The product of its digits is 746496, while the sum is 48.

The square root of 6243819249 is about 79017.8413334609. The cubic root of 6243819249 is about 1841.4083468822.

The spelling of 6243819249 in words is "six billion, two hundred forty-three million, eight hundred nineteen thousand, two hundred forty-nine".