2119999999 has 16 divisors (see below), whose sum is σ = 2405962944. Its totient is φ = 1853280000.

The previous prime is 2119999919. The next prime is 2120000017. The reversal of 2119999999 is 9999999112.

It is not a de Polignac number, because 2119999999 - 2⁹ = 2119999487 is a prime.

It is a Duffinian number.

2119999999 is a modest number, since divided by 99999 gives 21199 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2119999919) 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, 4902 + ... + 65299.

It is an arithmetic number, because the mean of its divisors is an integer number (150372684).

Almost surely, 2^2119999999 is an apocalyptic number.

2119999999 is a deficient number, since it is larger than the sum of its proper divisors (285962945).

2119999999 is a wasteful number, since it uses less digits than its factorization.

2119999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70338.

The product of its digits is 9565938, while the sum is 67.

The square root of 2119999999 is about 46043.4577220260. The cubic root of 2119999999 is about 1284.6316575105.

The spelling of 2119999999 in words is "two billion, one hundred nineteen million, nine hundred ninety-nine thousand, nine hundred ninety-nine".