6861824043 has 4 divisors (see below), whose sum is σ = 9149098728. Its totient is φ = 4574549360.

The previous prime is 6861824041. The next prime is 6861824093. The reversal of 6861824043 is 3404281686.

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 6861824043 - 2¹ = 6861824041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6861823986 and 6861824004.

It is not an unprimeable number, because it can be changed into a prime (6861824041) 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, 1143637338 + ... + 1143637343.

It is an arithmetic number, because the mean of its divisors is an integer number (2287274682).

Almost surely, 2^6861824043 is an apocalyptic number.

6861824043 is a deficient number, since it is larger than the sum of its proper divisors (2287274685).

6861824043 is a wasteful number, since it uses less digits than its factorization.

6861824043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287274684.

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 6861824043 is about 82836.1276436797. The cubic root of 6861824043 is about 1900.2607253471.

The spelling of 6861824043 in words is "six billion, eight hundred sixty-one million, eight hundred twenty-four thousand, forty-three".