2098999459 has 2 divisors, whose sum is σ = 2098999460. Its totient is φ = 2098999458.

The previous prime is 2098999451. The next prime is 2098999477. The reversal of 2098999459 is 9549998902.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2098999459 - 2³ = 2098999451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2098999459.

It is not a weakly prime, because it can be changed into another prime (2098999451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049499729 + 1049499730.

It is an arithmetic number, because the mean of its divisors is an integer number (1049499730).

Almost surely, 2^2098999459 is an apocalyptic number.

2098999459 is a deficient number, since it is larger than the sum of its proper divisors (1).

2098999459 is an equidigital number, since it uses as much as digits as its factorization.

2098999459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18895680, while the sum is 64.

The square root of 2098999459 is about 45814.8388516210. The cubic root of 2098999459 is about 1280.3757561782.

The spelling of 2098999459 in words is "two billion, ninety-eight million, nine hundred ninety-nine thousand, four hundred fifty-nine".