5643446334 has 16 divisors (see below), whose sum is σ = 11549379072. Its totient is φ = 1837401048.

The previous prime is 5643446317. The next prime is 5643446357. The reversal of 5643446334 is 4336443465.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10936654 + ... + 10937169.

It is an arithmetic number, because the mean of its divisors is an integer number (721836192).

Almost surely, 2^5643446334 is an apocalyptic number.

5643446334 is an abundant number, since it is smaller than the sum of its proper divisors (5905932738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5643446334 is a wasteful number, since it uses less digits than its factorization.

5643446334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21873871.

The product of its digits is 1244160, while the sum is 42.

The square root of 5643446334 is about 75122.8749050514. The cubic root of 5643446334 is about 1780.3885796861.

Adding to 5643446334 its reverse (4336443465), we get a palindrome (9979889799).

The spelling of 5643446334 in words is "five billion, six hundred forty-three million, four hundred forty-six thousand, three hundred thirty-four".