5999999989 has 2 divisors, whose sum is σ = 5999999990. Its totient is φ = 5999999988.

The previous prime is 5999999947. The next prime is 6000000001. The reversal of 5999999989 is 9899999995.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5335133764 + 664866225 = 73042^2 + 25785^2 .

It is a cyclic number.

It is not a de Polignac number, because 5999999989 - 2⁷ = 5999999861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5999999389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2999999994 + 2999999995.

It is an arithmetic number, because the mean of its divisors is an integer number (2999999995).

Almost surely, 2^5999999989 is an apocalyptic number.

It is an amenable number.

5999999989 is a deficient number, since it is larger than the sum of its proper divisors (1).

5999999989 is an equidigital number, since it uses as much as digits as its factorization.

5999999989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1721868840, while the sum is 85.

The square root of 5999999989 is about 77459.6668531436. Note that the first 3 decimals coincide. The cubic root of 5999999989 is about 1817.1205917217.

The spelling of 5999999989 in words is "five billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred eighty-nine".