5636745243 has 12 divisors (see below), whose sum is σ = 8151477048. Its totient is φ = 3753440160.

The previous prime is 5636745241. The next prime is 5636745253. The reversal of 5636745243 is 3425476365.

5636745243 is a `hidden beast` number, since 5 + 6 + 367 + 45 + 243 = 666.

It is not a de Polignac number, because 5636745243 - 2¹ = 5636745241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5636745241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 357693 + ... + 373118.

It is an arithmetic number, because the mean of its divisors is an integer number (679289754).

Almost surely, 2^5636745243 is an apocalyptic number.

5636745243 is a deficient number, since it is larger than the sum of its proper divisors (2514731805).

5636745243 is a wasteful number, since it uses less digits than its factorization.

5636745243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731674 (or 731671 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 45.

The square root of 5636745243 is about 75078.2607883267. The cubic root of 5636745243 is about 1779.6836161790.

The spelling of 5636745243 in words is "five billion, six hundred thirty-six million, seven hundred forty-five thousand, two hundred forty-three".