2041999989 has 16 divisors (see below), whose sum is σ = 2740725504. Its totient is φ = 1352332800.

The previous prime is 2041999951. The next prime is 2041999991. The reversal of 2041999989 is 9899991402.

It is a happy number.

It is not a de Polignac number, because 2041999989 - 2¹³ = 2041991797 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2041999789) 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 in 15 ways as a sum of consecutive naturals, for example, 308337 + ... + 314889.

It is an arithmetic number, because the mean of its divisors is an integer number (171295344).

Almost surely, 2^2041999989 is an apocalyptic number.

It is an amenable number.

2041999989 is a deficient number, since it is larger than the sum of its proper divisors (698725515).

2041999989 is a wasteful number, since it uses less digits than its factorization.

2041999989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7228.

The product of its (nonzero) digits is 3779136, while the sum is 60.

The square root of 2041999989 is about 45188.4939890676. The cubic root of 2041999989 is about 1268.6794691587.

The spelling of 2041999989 in words is "two billion, forty-one million, nine hundred ninety-nine thousand, nine hundred eighty-nine".