5683281638 has 8 divisors (see below), whose sum is σ = 8534201520. Its totient is φ = 2838547800.

The previous prime is 5683281581. The next prime is 5683281661. The reversal of 5683281638 is 8361823865.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1544213 + ... + 1547888.

It is an arithmetic number, because the mean of its divisors is an integer number (1066775190).

Almost surely, 2^5683281638 is an apocalyptic number.

5683281638 is a deficient number, since it is larger than the sum of its proper divisors (2850919882).

5683281638 is a wasteful number, since it uses less digits than its factorization.

5683281638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3093022.

The product of its digits is 1658880, while the sum is 50.

The square root of 5683281638 is about 75387.5429895417. The cubic root of 5683281638 is about 1784.5678284820.

The spelling of 5683281638 in words is "five billion, six hundred eighty-three million, two hundred eighty-one thousand, six hundred thirty-eight".