6826443853 has 8 divisors (see below), whose sum is σ = 6900318360. Its totient is φ = 6752692800.

The previous prime is 6826443821. The next prime is 6826443859. The reversal of 6826443853 is 3583446286.

It can be written as a sum of positive squares in 4 ways, for example, as 2847609769 + 3978834084 = 53363^2 + 63078^2 .

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 6826443853 - 2⁵ = 6826443821 is a prime.

It is a super-2 number, since 2×6826443853² = 93200671356322971218, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6826443797 and 6826443806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6826443859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82563 + ... + 143071.

It is an arithmetic number, because the mean of its divisors is an integer number (862539795).

Almost surely, 2^6826443853 is an apocalyptic number.

It is an amenable number.

6826443853 is a deficient number, since it is larger than the sum of its proper divisors (73874507).

6826443853 is a wasteful number, since it uses less digits than its factorization.

6826443853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61727.

The product of its digits is 3317760, while the sum is 49.

The square root of 6826443853 is about 82622.2963430574. The cubic root of 6826443853 is about 1896.9891235129.

The spelling of 6826443853 in words is "six billion, eight hundred twenty-six million, four hundred forty-three thousand, eight hundred fifty-three".