849866386322 has 6 divisors (see below), whose sum is σ = 1274801535093. Its totient is φ = 424932541292.

The previous prime is 849866386279. The next prime is 849866386337. The reversal of 849866386322 is 223683668948.

It can be written as a sum of positive squares in 2 ways, for example, as 553537488001 + 296328898321 = 744001^2 + 544361^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=651869.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 977804 + ... + 1629672.

Almost surely, 2^849866386322 is an apocalyptic number.

849866386322 is a deficient number, since it is larger than the sum of its proper divisors (424935148771).

849866386322 is an frugal number, since it uses more digits than its factorization.

849866386322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303740 (or 651871 counting only the distinct ones).

The product of its digits is 143327232, while the sum is 65.

The spelling of 849866386322 in words is "eight hundred forty-nine billion, eight hundred sixty-six million, three hundred eighty-six thousand, three hundred twenty-two".