5636131643 has 4 divisors (see below), whose sum is σ = 5830481040. Its totient is φ = 5441782248.

The previous prime is 5636131637. The next prime is 5636131649. The reversal of 5636131643 is 3461316365.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (5636131637) and next prime (5636131649).

It is a cyclic number.

It is not a de Polignac number, because 5636131643 - 2⁸ = 5636131387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5636131597 and 5636131606.

It is not an unprimeable number, because it can be changed into a prime (5636131649) 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 3 ways as a sum of consecutive naturals, for example, 97174655 + ... + 97174712.

It is an arithmetic number, because the mean of its divisors is an integer number (1457620260).

Almost surely, 2^5636131643 is an apocalyptic number.

5636131643 is a deficient number, since it is larger than the sum of its proper divisors (194349397).

5636131643 is a wasteful number, since it uses less digits than its factorization.

5636131643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194349396.

The product of its digits is 116640, while the sum is 38.

The square root of 5636131643 is about 75074.1742745133. The cubic root of 5636131643 is about 1779.6190367425.

The spelling of 5636131643 in words is "five billion, six hundred thirty-six million, one hundred thirty-one thousand, six hundred forty-three".