2536536533643 has 36 divisors (see below), whose sum is σ = 4366024587288. Its totient is φ = 1414097012160.

The previous prime is 2536536533591. The next prime is 2536536533651. The reversal of 2536536533643 is 3463356356352.

2536536533643 is a `hidden beast` number, since 2 + 5 + 3 + 65 + 3 + 6 + 533 + 6 + 43 = 666.

It is not a de Polignac number, because 2536536533643 - 2⁹ = 2536536533131 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2536536533643.

It is not an unprimeable number, because it can be changed into a prime (2536536533543) 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 35 ways as a sum of consecutive naturals, for example, 70125621 + ... + 70161782.

It is an arithmetic number, because the mean of its divisors is an integer number (121278460758).

Almost surely, 2^{2536536533643} is an apocalyptic number.

2536536533643 is a deficient number, since it is larger than the sum of its proper divisors (1829488053645).

2536536533643 is a wasteful number, since it uses less digits than its factorization.

2536536533643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140287464 (or 140287454 counting only the distinct ones).

The product of its digits is 52488000, while the sum is 54.

The spelling of 2536536533643 in words is "two trillion, five hundred thirty-six billion, five hundred thirty-six million, five hundred thirty-three thousand, six hundred forty-three".