6821604061286 has 24 divisors (see below), whose sum is σ = 11914200743760. Its totient is φ = 2920794275952.

The previous prime is 6821604061271. The next prime is 6821604061289.

6821604061286 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6821604061289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32637221 + ... + 32845568.

It is an arithmetic number, because the mean of its divisors is an integer number (496425030990).

Almost surely, 2^{6821604061286} is an apocalyptic number.

6821604061286 is a deficient number, since it is larger than the sum of its proper divisors (5092596682474).

6821604061286 is a wasteful number, since it uses less digits than its factorization.

6821604061286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65483868 (or 65483861 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 50.

The spelling of 6821604061286 in words is "six trillion, eight hundred twenty-one billion, six hundred four million, sixty-one thousand, two hundred eighty-six".