5643882389 has 4 divisors (see below), whose sum is σ = 5711881056. Its totient is φ = 5575883724.

The previous prime is 5643882383. The next prime is 5643882407. The reversal of 5643882389 is 9832883465.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9832883465 = 5 ⋅1966576693.

It is a cyclic number.

It is not a de Polignac number, because 5643882389 - 2⁴ = 5643882373 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5643882383) 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, 33999209 + ... + 33999374.

It is an arithmetic number, because the mean of its divisors is an integer number (1427970264).

Almost surely, 2^5643882389 is an apocalyptic number.

It is an amenable number.

5643882389 is a deficient number, since it is larger than the sum of its proper divisors (67998667).

5643882389 is an equidigital number, since it uses as much as digits as its factorization.

5643882389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67998666.

The product of its digits is 9953280, while the sum is 56.

The square root of 5643882389 is about 75125.7771274281. Note that the first 3 decimals coincide. The cubic root of 5643882389 is about 1780.4344338977.

The spelling of 5643882389 in words is "five billion, six hundred forty-three million, eight hundred eighty-two thousand, three hundred eighty-nine".