6413256843 has 16 divisors (see below), whose sum is σ = 10087827456. Its totient is φ = 3546501120.

The previous prime is 6413256799. The next prime is 6413256847. The reversal of 6413256843 is 3486523146.

It is not a de Polignac number, because 6413256843 - 2²⁶ = 6346147979 is a prime.

It is a super-2 number, since 2×6413256843² = 82259726668572653298, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6413256795 and 6413256804.

It is not an unprimeable number, because it can be changed into a prime (6413256847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4925046 + ... + 4926347.

It is an arithmetic number, because the mean of its divisors is an integer number (630489216).

Almost surely, 2^6413256843 is an apocalyptic number.

6413256843 is a deficient number, since it is larger than the sum of its proper divisors (3674570613).

6413256843 is a wasteful number, since it uses less digits than its factorization.

6413256843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9851434.

The product of its digits is 414720, while the sum is 42.

The square root of 6413256843 is about 80082.8124069079. The cubic root of 6413256843 is about 1857.9165829718.

Adding to 6413256843 its reverse (3486523146), we get a palindrome (9899779989).

The spelling of 6413256843 in words is "six billion, four hundred thirteen million, two hundred fifty-six thousand, eight hundred forty-three".