2011890659 has 2 divisors, whose sum is σ = 2011890660. Its totient is φ = 2011890658.

The previous prime is 2011890599. The next prime is 2011890679. The reversal of 2011890659 is 9560981102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2011890659 - 2⁸ = 2011890403 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011890679) 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 as a sum of consecutive naturals, namely, 1005945329 + 1005945330.

It is an arithmetic number, because the mean of its divisors is an integer number (1005945330).

Almost surely, 2^2011890659 is an apocalyptic number.

2011890659 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011890659 is an equidigital number, since it uses as much as digits as its factorization.

2011890659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 41.

The square root of 2011890659 is about 44854.1041488959. The cubic root of 2011890659 is about 1262.4129998409.

The spelling of 2011890659 in words is "two billion, eleven million, eight hundred ninety thousand, six hundred fifty-nine".