286204231821 has 16 divisors (see below), whose sum is σ = 382877603136. Its totient is φ = 190167010176.

The previous prime is 286204231801. The next prime is 286204231853. The reversal of 286204231821 is 128132402682.

It is not a de Polignac number, because 286204231821 - 2⁷ = 286204231693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 286204231821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286204231801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8737951 + ... + 8770643.

It is an arithmetic number, because the mean of its divisors is an integer number (23929850196).

Almost surely, 2^286204231821 is an apocalyptic number.

It is an amenable number.

286204231821 is a deficient number, since it is larger than the sum of its proper divisors (96673371315).

286204231821 is a wasteful number, since it uses less digits than its factorization.

286204231821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42332.

The product of its (nonzero) digits is 73728, while the sum is 39.

The spelling of 286204231821 in words is "two hundred eighty-six billion, two hundred four million, two hundred thirty-one thousand, eight hundred twenty-one".