659081109 has 16 divisors (see below), whose sum is σ = 953164800. Its totient is φ = 403453440.

The previous prime is 659081053. The next prime is 659081119. The reversal of 659081109 is 901180956.

659081109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 659081109 - 2¹¹ = 659079061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659081119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155509 + ... + 159690.

It is an arithmetic number, because the mean of its divisors is an integer number (59572800).

Almost surely, 2^659081109 is an apocalyptic number.

It is an amenable number.

659081109 is a deficient number, since it is larger than the sum of its proper divisors (294083691).

659081109 is a wasteful number, since it uses less digits than its factorization.

659081109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315260.

The product of its (nonzero) digits is 19440, while the sum is 39.

The square root of 659081109 is about 25672.5750364080. The cubic root of 659081109 is about 870.2545205909.

The spelling of 659081109 in words is "six hundred fifty-nine million, eighty-one thousand, one hundred nine".