5643181346 has 16 divisors (see below), whose sum is σ = 9240730560. Its totient is φ = 2563295280.

The previous prime is 5643181321. The next prime is 5643181361. The reversal of 5643181346 is 6431813465.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56801 + ... + 120468.

It is an arithmetic number, because the mean of its divisors is an integer number (577545660).

Almost surely, 2^5643181346 is an apocalyptic number.

5643181346 is a deficient number, since it is larger than the sum of its proper divisors (3597549214).

5643181346 is a wasteful number, since it uses less digits than its factorization.

5643181346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178729.

The product of its digits is 207360, while the sum is 41.

The square root of 5643181346 is about 75121.1111872022. Note that the first 4 decimals coincide. The cubic root of 5643181346 is about 1780.3607132037.

The spelling of 5643181346 in words is "five billion, six hundred forty-three million, one hundred eighty-one thousand, three hundred forty-six".