2098968511 has 2 divisors, whose sum is σ = 2098968512. Its totient is φ = 2098968510.

The previous prime is 2098968493. The next prime is 2098968577. The reversal of 2098968511 is 1158698902.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2098968511 - 2⁷ = 2098968383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2098966511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049484255 + 1049484256.

It is an arithmetic number, because the mean of its divisors is an integer number (1049484256).

Almost surely, 2^2098968511 is an apocalyptic number.

2098968511 is a deficient number, since it is larger than the sum of its proper divisors (1).

2098968511 is an equidigital number, since it uses as much as digits as its factorization.

2098968511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 49.

The square root of 2098968511 is about 45814.5010995427. The cubic root of 2098968511 is about 1280.3694634556.

The spelling of 2098968511 in words is "two billion, ninety-eight million, nine hundred sixty-eight thousand, five hundred eleven".