559999989 has 6 divisors (see below), whose sum is σ = 808888886. Its totient is φ = 373333320.

The previous prime is 559999987. The next prime is 560000011. The reversal of 559999989 is 989999955.

It can be written as a sum of positive squares in only one way, i.e., 335988900 + 224011089 = 18330^2 + 14967^2 .

It is not a de Polignac number, because 559999989 - 2¹ = 559999987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (559999981) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31111102 + ... + 31111119.

Almost surely, 2^559999989 is an apocalyptic number.

It is an amenable number.

559999989 is a deficient number, since it is larger than the sum of its proper divisors (248888897).

559999989 is a wasteful number, since it uses less digits than its factorization.

559999989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62222227 (or 62222224 counting only the distinct ones).

The product of its digits is 106288200, while the sum is 72.

The square root of 559999989 is about 23664.3188999810. The cubic root of 559999989 is about 824.2570545648.

The spelling of 559999989 in words is "five hundred fifty-nine million, nine hundred ninety-nine thousand, nine hundred eighty-nine".