6482121642864 has 120 divisors (see below), whose sum is σ = 20733819523040. Its totient is φ = 1851916898304.

The previous prime is 6482121642823. The next prime is 6482121642911. The reversal of 6482121642864 is 4682461212846.

6482121642864 is a `hidden beast` number, since 6 + 482 + 1 + 21 + 64 + 2 + 86 + 4 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 6482121642864.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16303524 + ... + 16696380.

Almost surely, 2^{6482121642864} is an apocalyptic number.

It is an amenable number.

6482121642864 is an abundant number, since it is smaller than the sum of its proper divisors (14251697880176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6482121642864 is a wasteful number, since it uses less digits than its factorization.

6482121642864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409247 (or 409238 counting only the distinct ones).

The product of its digits is 7077888, while the sum is 54.

The spelling of 6482121642864 in words is "six trillion, four hundred eighty-two billion, one hundred twenty-one million, six hundred forty-two thousand, eight hundred sixty-four".