6824246881 has 3 divisors (see below), whose sum is σ = 6824329491. Its totient is φ = 6824164272.

The previous prime is 6824246861. The next prime is 6824246899. The reversal of 6824246881 is 1886424286.

The square root of 6824246881 is 82609.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1886424286 = 2 ⋅943212143.

It can be written as a sum of positive squares in only one way, i.e., 456206881 + 6368040000 = 21359^2 + 79800^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6824246881 is a prime.

It is a super-2 number, since 2×6824246881² = 93140690985676456322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6824246861) 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 2 ways as a sum of consecutive naturals, for example, 41305 + ... + 123913.

It is an arithmetic number, because the mean of its divisors is an integer number (2274776497).

Almost surely, 2^6824246881 is an apocalyptic number.

6824246881 is the 82609-th square number.

6824246881 is the 41305-th centered octagonal number.

It is an amenable number.

6824246881 is a deficient number, since it is larger than the sum of its proper divisors (82610).

6824246881 is an frugal number, since it uses more digits than its factorization.

6824246881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165218 (or 82609 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 49.

The cubic root of 6824246881 is about 1896.7855973797.

Multiplying 6824246881 by its sum of digits (49), we get a square (334388097169 = 578263²).

The spelling of 6824246881 in words is "six billion, eight hundred twenty-four million, two hundred forty-six thousand, eight hundred eighty-one".