2081498289 has 16 divisors (see below), whose sum is σ = 2993390400. Its totient is φ = 1278962496.

The previous prime is 2081498281. The next prime is 2081498311. The reversal of 2081498289 is 9828941802.

It is a happy number.

It is not a de Polignac number, because 2081498289 - 2³ = 2081498281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2081498281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14794 + ... + 66195.

It is an arithmetic number, because the mean of its divisors is an integer number (187086900).

Almost surely, 2^2081498289 is an apocalyptic number.

It is an amenable number.

2081498289 is a deficient number, since it is larger than the sum of its proper divisors (911892111).

2081498289 is a wasteful number, since it uses less digits than its factorization.

2081498289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81664.

The product of its (nonzero) digits is 663552, while the sum is 51.

The square root of 2081498289 is about 45623.4401267594. The cubic root of 2081498289 is about 1276.8072873606.

The spelling of 2081498289 in words is "two billion, eighty-one million, four hundred ninety-eight thousand, two hundred eighty-nine".