2113050009 has 16 divisors (see below), whose sum is σ = 3220715520. Its totient is φ = 1207146000.

The previous prime is 2113050007. The next prime is 2113050029. The reversal of 2113050009 is 9000503112.

It is not a de Polignac number, because 2113050009 - 2¹ = 2113050007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2113050001) 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 in 15 ways as a sum of consecutive naturals, for example, 89182 + ... + 110360.

It is an arithmetic number, because the mean of its divisors is an integer number (201294720).

Almost surely, 2^2113050009 is an apocalyptic number.

It is an amenable number.

2113050009 is a deficient number, since it is larger than the sum of its proper divisors (1107665511).

2113050009 is a wasteful number, since it uses less digits than its factorization.

2113050009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25940.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 2113050009 is about 45967.9236968563. The cubic root of 2113050009 is about 1283.2263192414.

The spelling of 2113050009 in words is "two billion, one hundred thirteen million, fifty thousand, nine".