5718220639 has 8 divisors (see below), whose sum is σ = 6020855280. Its totient is φ = 5415753600.

The previous prime is 5718220633. The next prime is 5718220679. The reversal of 5718220639 is 9360228175.

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

It is a cyclic number.

It is not a de Polignac number, because 5718220639 - 2⁹ = 5718220127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5718220595 and 5718220604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5718220633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31449 + ... + 111469.

It is an arithmetic number, because the mean of its divisors is an integer number (752606910).

Almost surely, 2^5718220639 is an apocalyptic number.

5718220639 is a deficient number, since it is larger than the sum of its proper divisors (302634641).

5718220639 is a wasteful number, since it uses less digits than its factorization.

5718220639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83801.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 5718220639 is about 75618.9172033030. The cubic root of 5718220639 is about 1788.2173443974.

The spelling of 5718220639 in words is "five billion, seven hundred eighteen million, two hundred twenty thousand, six hundred thirty-nine".