6844863247 has 4 divisors (see below), whose sum is σ = 6898759936. Its totient is φ = 6790966560.

The previous prime is 6844863199. The next prime is 6844863251. The reversal of 6844863247 is 7423684486.

It is a happy number.

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 6844863247 - 2¹⁹ = 6844338959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6844863194 and 6844863203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6844863287) 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, 26948154 + ... + 26948407.

It is an arithmetic number, because the mean of its divisors is an integer number (1724689984).

Almost surely, 2^6844863247 is an apocalyptic number.

6844863247 is a deficient number, since it is larger than the sum of its proper divisors (53896689).

6844863247 is a wasteful number, since it uses less digits than its factorization.

6844863247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53896688.

The product of its digits is 6193152, while the sum is 52.

The square root of 6844863247 is about 82733.6887065964. The cubic root of 6844863247 is about 1898.6937694987.

The spelling of 6844863247 in words is "six billion, eight hundred forty-four million, eight hundred sixty-three thousand, two hundred forty-seven".