6503424243 has 4 divisors (see below), whose sum is σ = 8671232328. Its totient is φ = 4335616160.

The previous prime is 6503424229. The next prime is 6503424259. The reversal of 6503424243 is 3424243056.

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

It is a cyclic number.

It is not a de Polignac number, because 6503424243 - 2²² = 6499229939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6503424043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1083904038 + ... + 1083904043.

It is an arithmetic number, because the mean of its divisors is an integer number (2167808082).

Almost surely, 2^6503424243 is an apocalyptic number.

6503424243 is a deficient number, since it is larger than the sum of its proper divisors (2167808085).

6503424243 is a wasteful number, since it uses less digits than its factorization.

6503424243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2167808084.

The product of its (nonzero) digits is 69120, while the sum is 33.

The square root of 6503424243 is about 80643.8109404559. The cubic root of 6503424243 is about 1866.5832394723.

Adding to 6503424243 its reverse (3424243056), we get a palindrome (9927667299).

The spelling of 6503424243 in words is "six billion, five hundred three million, four hundred twenty-four thousand, two hundred forty-three".