48843636561 has 12 divisors (see below), whose sum is σ = 70661993220. Its totient is φ = 32511621120.

The previous prime is 48843636557. The next prime is 48843636577. The reversal of 48843636561 is 16563634884.

48843636561 is a `hidden beast` number, since 4 + 8 + 8 + 43 + 6 + 36 + 561 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 45088275600 + 3755360961 = 212340^2 + 61281^2 .

It is not a de Polignac number, because 48843636561 - 2² = 48843636557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 48843636498 and 48843636507.

It is not an unprimeable number, because it can be changed into a prime (48843636521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4227516 + ... + 4239053.

It is an arithmetic number, because the mean of its divisors is an integer number (5888499435).

Almost surely, 2^48843636561 is an apocalyptic number.

It is an amenable number.

48843636561 is a deficient number, since it is larger than the sum of its proper divisors (21818356659).

48843636561 is a wasteful number, since it uses less digits than its factorization.

48843636561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8467216 (or 8467213 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 54.

The spelling of 48843636561 in words is "forty-eight billion, eight hundred forty-three million, six hundred thirty-six thousand, five hundred sixty-one".