6821463008 has 12 divisors (see below), whose sum is σ = 13429755360. Its totient is φ = 3410731488.

The previous prime is 6821463001. The next prime is 6821463059. The reversal of 6821463008 is 8003641286.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6821463001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106585328 + ... + 106585391.

It is an arithmetic number, because the mean of its divisors is an integer number (1119146280).

Almost surely, 2^6821463008 is an apocalyptic number.

It is an amenable number.

6821463008 is a deficient number, since it is larger than the sum of its proper divisors (6608292352).

6821463008 is a wasteful number, since it uses less digits than its factorization.

6821463008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213170729 (or 213170721 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 6821463008 is about 82592.1485856858. The cubic root of 6821463008 is about 1896.5276383456.

It can be divided in two parts, 682 and 1463008, that multiplied together give a triangular number (997771456 = T₄₄₆₇₁).

The spelling of 6821463008 in words is "six billion, eight hundred twenty-one million, four hundred sixty-three thousand, eight".