5579721859 has 2 divisors, whose sum is σ = 5579721860. Its totient is φ = 5579721858.

The previous prime is 5579721853. The next prime is 5579721883. The reversal of 5579721859 is 9581279755.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5579721859 - 2²⁵ = 5546167427 is a prime.

It is a super-2 number, since 2×5579721859² = 62266592047604831762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5579721853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2789860929 + 2789860930.

It is an arithmetic number, because the mean of its divisors is an integer number (2789860930).

Almost surely, 2^5579721859 is an apocalyptic number.

5579721859 is a deficient number, since it is larger than the sum of its proper divisors (1).

5579721859 is an equidigital number, since it uses as much as digits as its factorization.

5579721859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7938000, while the sum is 58.

The square root of 5579721859 is about 74697.5358295038. The cubic root of 5579721859 is about 1773.6619536002.

The spelling of 5579721859 in words is "five billion, five hundred seventy-nine million, seven hundred twenty-one thousand, eight hundred fifty-nine".