5643443465 has 16 divisors (see below), whose sum is σ = 7389809280. Its totient is φ = 4103195520.

The previous prime is 5643443459. The next prime is 5643443513.

5643443465 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5643443465 - 2⁸ = 5643443209 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224396 + ... + 248274.

It is an arithmetic number, because the mean of its divisors is an integer number (461863080).

Almost surely, 2^5643443465 is an apocalyptic number.

5643443465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5643443465 is a deficient number, since it is larger than the sum of its proper divisors (1746365815).

5643443465 is a wasteful number, since it uses less digits than its factorization.

5643443465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28192.

The product of its digits is 2073600, while the sum is 44.

The square root of 5643443465 is about 75122.8558096669. The cubic root of 5643443465 is about 1780.3882779830.

It can be divided in two parts, 56434 and 43465, that added together give a palindrome (99899).

The spelling of 5643443465 in words is "five billion, six hundred forty-three million, four hundred forty-three thousand, four hundred sixty-five".