5643000321 has 8 divisors (see below), whose sum is σ = 8598857664. Its totient is φ = 3224571600.

The previous prime is 5643000301. The next prime is 5643000331. The reversal of 5643000321 is 1230003465.

It is a happy number.

5643000321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5643000321 - 2⁷ = 5643000193 is a prime.

It is a super-2 number, since 2×5643000321² = 63686905245612206082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5643000291 and 5643000300.

It is not an unprimeable number, because it can be changed into a prime (5643000301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134357130 + ... + 134357171.

It is an arithmetic number, because the mean of its divisors is an integer number (1074857208).

Almost surely, 2^5643000321 is an apocalyptic number.

It is an amenable number.

5643000321 is a deficient number, since it is larger than the sum of its proper divisors (2955857343).

5643000321 is a wasteful number, since it uses less digits than its factorization.

5643000321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268714311.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 5643000321 is about 75119.9062898777. The cubic root of 5643000321 is about 1780.3416758780.

Adding to 5643000321 its reverse (1230003465), we get a palindrome (6873003786).

The spelling of 5643000321 in words is "five billion, six hundred forty-three million, three hundred twenty-one", and thus it is an aban number.