986503844061 has 12 divisors (see below), whose sum is σ = 1432822651260. Its totient is φ = 654035696640.

The previous prime is 986503844003. The next prime is 986503844101. The reversal of 986503844061 is 160448305689.

986503844061 is a `hidden beast` number, since 98 + 6 + 50 + 3 + 8 + 440 + 61 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 128414722500 + 858089121561 = 358350^2 + 926331^2 .

It is not a de Polignac number, because 986503844061 - 2¹¹ = 986503842013 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 986503843989 and 986503844007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (986503844761) 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, 302792676 + ... + 302795933.

It is an arithmetic number, because the mean of its divisors is an integer number (119401887605).

Almost surely, 2^986503844061 is an apocalyptic number.

It is an amenable number.

986503844061 is a deficient number, since it is larger than the sum of its proper divisors (446318807199).

986503844061 is a wasteful number, since it uses less digits than its factorization.

986503844061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605588796 (or 605588793 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

It can be divided in two parts, 9865038 and 44061, that added together give a palindrome (9909099).

The spelling of 986503844061 in words is "nine hundred eighty-six billion, five hundred three million, eight hundred forty-four thousand, sixty-one".