5721583643 has 4 divisors (see below), whose sum is σ = 5778233088. Its totient is φ = 5664934200.

The previous prime is 5721583607. The next prime is 5721583667. The reversal of 5721583643 is 3463851275.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5721583643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5721583594 and 5721583603.

It is not an unprimeable number, because it can be changed into a prime (5721583243) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 28324571 + ... + 28324772.

It is an arithmetic number, because the mean of its divisors is an integer number (1444558272).

Almost surely, 2^5721583643 is an apocalyptic number.

5721583643 is a deficient number, since it is larger than the sum of its proper divisors (56649445).

5721583643 is a wasteful number, since it uses less digits than its factorization.

5721583643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56649444.

The product of its digits is 604800, while the sum is 44.

The square root of 5721583643 is about 75641.1504605793. The cubic root of 5721583643 is about 1788.5678382488.

The spelling of 5721583643 in words is "five billion, seven hundred twenty-one million, five hundred eighty-three thousand, six hundred forty-three".