9505665059 has 16 divisors (see below), whose sum is σ = 11028151680. Its totient is φ = 8102280960.

The previous prime is 9505665047. The next prime is 9505665083.

9505665059 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-9505665059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9505664998 and 9505665016.

It is not an unprimeable number, because it can be changed into a prime (9505665089) 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, 214169 + ... + 254714.

It is an arithmetic number, because the mean of its divisors is an integer number (689259480).

Almost surely, 2^9505665059 is an apocalyptic number.

9505665059 is a deficient number, since it is larger than the sum of its proper divisors (1522486621).

9505665059 is a wasteful number, since it uses less digits than its factorization.

9505665059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469010.

The product of its (nonzero) digits is 1822500, while the sum is 50.

The square root of 9505665059 is about 97497.0002564181. Note that the first 3 decimals coincide. The cubic root of 9505665059 is about 2118.3326942727.

Subtracting from 9505665059 its sum of digits (50), we obtain a square (9505665009 = 97497²).

The spelling of 9505665059 in words is "nine billion, five hundred five million, six hundred sixty-five thousand, fifty-nine".