5636422843 has 10 divisors (see below), whose sum is σ = 5821912844. Its totient is φ = 5453891436.

The previous prime is 5636422819. The next prime is 5636422859. The reversal of 5636422843 is 3482246365.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-5636422843 is a prime.

It is a super-3 number, since 3×5636422843³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5636422843.

It is not an unprimeable number, because it can be changed into a prime (5636422943) 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 9 ways as a sum of consecutive naturals, for example, 52676796 + ... + 52676902.

Almost surely, 2^5636422843 is an apocalyptic number.

5636422843 is a deficient number, since it is larger than the sum of its proper divisors (185490001).

5636422843 is an frugal number, since it uses more digits than its factorization.

5636422843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471 (or 150 counting only the distinct ones).

The product of its digits is 829440, while the sum is 43.

The square root of 5636422843 is about 75076.1136647336. The cubic root of 5636422843 is about 1779.6496851950.

Multiplying 5636422843 by its sum of digits (43), we get a square (242366182249 = 492307²).

5636422843 divided by its sum of digits (43) gives a 4-th power (131079601 = 107⁴).

The spelling of 5636422843 in words is "five billion, six hundred thirty-six million, four hundred twenty-two thousand, eight hundred forty-three".