5665422643 has 8 divisors (see below), whose sum is σ = 5749066512. Its totient is φ = 5582294016.

The previous prime is 5665422613. The next prime is 5665422671. The reversal of 5665422643 is 3462245665.

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

It is a cyclic number.

It is not a de Polignac number, because 5665422643 - 2⁵ = 5665422611 is a prime.

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 5665422643.

It is not an unprimeable number, because it can be changed into a prime (5665422613) 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, 106630 + ... + 150667.

It is an arithmetic number, because the mean of its divisors is an integer number (718633314).

Almost surely, 2^5665422643 is an apocalyptic number.

5665422643 is a deficient number, since it is larger than the sum of its proper divisors (83643869).

5665422643 is a wasteful number, since it uses less digits than its factorization.

5665422643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257621.

The product of its digits is 1036800, while the sum is 43.

The square root of 5665422643 is about 75269.0018732811. The cubic root of 5665422643 is about 1782.6966073895.

It can be divided in two parts, 56654 and 22643, that added together give a palindrome (79297).

The spelling of 5665422643 in words is "five billion, six hundred sixty-five million, four hundred twenty-two thousand, six hundred forty-three".