5643234611 has 4 divisors (see below), whose sum is σ = 6449410992. Its totient is φ = 4837058232.

The previous prime is 5643234607. The next prime is 5643234673. The reversal of 5643234611 is 1164323465.

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 5643234611 - 2² = 5643234607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5643234601) 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, 403088180 + ... + 403088193.

It is an arithmetic number, because the mean of its divisors is an integer number (1612352748).

Almost surely, 2^5643234611 is an apocalyptic number.

5643234611 is a deficient number, since it is larger than the sum of its proper divisors (806176381).

5643234611 is an equidigital number, since it uses as much as digits as its factorization.

5643234611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806176380.

The product of its digits is 51840, while the sum is 35.

The square root of 5643234611 is about 75121.4657138690. The cubic root of 5643234611 is about 1780.3663146904.

The spelling of 5643234611 in words is "five billion, six hundred forty-three million, two hundred thirty-four thousand, six hundred eleven".