659949011 has 2 divisors, whose sum is σ = 659949012. Its totient is φ = 659949010.

The previous prime is 659949007. The next prime is 659949067. The reversal of 659949011 is 110949956.

659949011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 659949011 - 2² = 659949007 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (659949001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329974505 + 329974506.

It is an arithmetic number, because the mean of its divisors is an integer number (329974506).

Almost surely, 2^659949011 is an apocalyptic number.

659949011 is a deficient number, since it is larger than the sum of its proper divisors (1).

659949011 is an equidigital number, since it uses as much as digits as its factorization.

659949011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 44.

The square root of 659949011 is about 25689.4727660962. The cubic root of 659949011 is about 870.6363473177.

The spelling of 659949011 in words is "six hundred fifty-nine million, nine hundred forty-nine thousand, eleven".