2010044989 has 2 divisors, whose sum is σ = 2010044990. Its totient is φ = 2010044988.

The previous prime is 2010044987. The next prime is 2010045047. The reversal of 2010044989 is 9894400102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1126944900 + 883100089 = 33570^2 + 29717^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010044989 - 2¹ = 2010044987 is a prime.

Together with 2010044987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2010044987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005022494 + 1005022495.

It is an arithmetic number, because the mean of its divisors is an integer number (1005022495).

Almost surely, 2^2010044989 is an apocalyptic number.

It is an amenable number.

2010044989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010044989 is an equidigital number, since it uses as much as digits as its factorization.

2010044989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 2010044989 is about 44833.5252796387. The cubic root of 2010044989 is about 1262.0268438881.

The spelling of 2010044989 in words is "two billion, ten million, forty-four thousand, nine hundred eighty-nine".