5643236011 has 4 divisors (see below), whose sum is σ = 6449412592. Its totient is φ = 4837059432.

The previous prime is 5643235991. The next prime is 5643236051. The reversal of 5643236011 is 1106323465.

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

It is a cyclic number.

It is not a de Polignac number, because 5643236011 - 2²³ = 5634847403 is a prime.

It is a super-3 number, since 3×5643236011³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (5643236051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403088280 + ... + 403088293.

It is an arithmetic number, because the mean of its divisors is an integer number (1612353148).

Almost surely, 2^5643236011 is an apocalyptic number.

5643236011 is a deficient number, since it is larger than the sum of its proper divisors (806176581).

5643236011 is an equidigital number, since it uses as much as digits as its factorization.

5643236011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806176580.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 5643236011 is about 75121.4750321105. The cubic root of 5643236011 is about 1780.3664619176.

Adding to 5643236011 its reverse (1106323465), we get a palindrome (6749559476).

The spelling of 5643236011 in words is "five billion, six hundred forty-three million, two hundred thirty-six thousand, eleven".