2000499989 has 2 divisors, whose sum is σ = 2000499990. Its totient is φ = 2000499988.

The previous prime is 2000499983. The next prime is 2000500001. The reversal of 2000499989 is 9899940002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1706103025 + 294396964 = 41305^2 + 17158^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000499989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000499983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000249994 + 1000249995.

It is an arithmetic number, because the mean of its divisors is an integer number (1000249995).

Almost surely, 2^2000499989 is an apocalyptic number.

It is an amenable number.

2000499989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000499989 is an equidigital number, since it uses as much as digits as its factorization.

2000499989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 50.

The square root of 2000499989 is about 44726.9492476292. The cubic root of 2000499989 is about 1260.0260322580.

The spelling of 2000499989 in words is "two billion, four hundred ninety-nine thousand, nine hundred eighty-nine".