8286312841821 has 48 divisors (see below), whose sum is σ = 14188912984064. Its totient is φ = 4733937404784.

The previous prime is 8286312841819. The next prime is 8286312841831. The reversal of 8286312841821 is 1281482136828.

8286312841821 is a `hidden beast` number, since 8 + 2 + 86 + 3 + 128 + 418 + 21 = 666.

It is not a de Polignac number, because 8286312841821 - 2¹ = 8286312841819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8286312841831) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6797316 + ... + 7923138.

Almost surely, 2^{8286312841821} is an apocalyptic number.

8286312841821 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

8286312841821 is a deficient number, since it is larger than the sum of its proper divisors (5902600142243).

8286312841821 is a wasteful number, since it uses less digits than its factorization.

8286312841821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130172 (or 1130160 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 54.

The spelling of 8286312841821 in words is "eight trillion, two hundred eighty-six billion, three hundred twelve million, eight hundred forty-one thousand, eight hundred twenty-one".