2119815874 has 16 divisors (see below), whose sum is σ = 3470014080. Its totient is φ = 963212560.

The previous prime is 2119815869. The next prime is 2119815889. The reversal of 2119815874 is 4785189112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53172 + ... + 84064.

It is an arithmetic number, because the mean of its divisors is an integer number (216875880).

Almost surely, 2^2119815874 is an apocalyptic number.

2119815874 is a deficient number, since it is larger than the sum of its proper divisors (1350198206).

2119815874 is a wasteful number, since it uses less digits than its factorization.

2119815874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34025.

The product of its digits is 161280, while the sum is 46.

The square root of 2119815874 is about 46041.4582088795. The cubic root of 2119815874 is about 1284.5944657413.

The spelling of 2119815874 in words is "two billion, one hundred nineteen million, eight hundred fifteen thousand, eight hundred seventy-four".