2119394807 has 16 divisors (see below), whose sum is σ = 2174249952. Its totient is φ = 2065459200.

The previous prime is 2119394789. The next prime is 2119394821. The reversal of 2119394807 is 7084939112.

It is a cyclic number.

It is not a de Polignac number, because 2119394807 - 2⁸ = 2119394551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2119394867) 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, 2223443 + ... + 2224395.

It is an arithmetic number, because the mean of its divisors is an integer number (135890622).

Almost surely, 2^2119394807 is an apocalyptic number.

2119394807 is a deficient number, since it is larger than the sum of its proper divisors (54855145).

2119394807 is a wasteful number, since it uses less digits than its factorization.

2119394807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 2119394807 is about 46036.8852877777. The cubic root of 2119394807 is about 1284.5094054990.

The spelling of 2119394807 in words is "two billion, one hundred nineteen million, three hundred ninety-four thousand, eight hundred seven".