2098997611 has 2 divisors, whose sum is σ = 2098997612. Its totient is φ = 2098997610.

The previous prime is 2098997609. The next prime is 2098997623. The reversal of 2098997611 is 1167998902.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2098997611 - 2¹ = 2098997609 is a prime.

Together with 2098997609, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2098997671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049498805 + 1049498806.

It is an arithmetic number, because the mean of its divisors is an integer number (1049498806).

Almost surely, 2^2098997611 is an apocalyptic number.

2098997611 is a deficient number, since it is larger than the sum of its proper divisors (1).

2098997611 is an equidigital number, since it uses as much as digits as its factorization.

2098997611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 52.

The square root of 2098997611 is about 45814.8186834784. The cubic root of 2098997611 is about 1280.3753804221.

The spelling of 2098997611 in words is "two billion, ninety-eight million, nine hundred ninety-seven thousand, six hundred eleven".