2009217060 has 36 divisors (see below), whose sum is σ = 6094625628. Its totient is φ = 535791168.

The previous prime is 2009217047. The next prime is 2009217071. The reversal of 2009217060 is 607129002.

It can be written as a sum of positive squares in 2 ways, for example, as 1604483136 + 404733924 = 40056^2 + 20118^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×2009217060³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5580979 + ... + 5581338.

Almost surely, 2^2009217060 is an apocalyptic number.

2009217060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2009217060 is an abundant number, since it is smaller than the sum of its proper divisors (4085408568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2009217060 is a wasteful number, since it uses less digits than its factorization.

2009217060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11162332 (or 11162327 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 2009217060 is about 44824.2909592556. The cubic root of 2009217060 is about 1261.8535455920.

The spelling of 2009217060 in words is "two billion, nine million, two hundred seventeen thousand, sixty".