2119637794 has 16 divisors (see below), whose sum is σ = 3194713728. Its totient is φ = 1054742832.

The previous prime is 2119637791. The next prime is 2119637797. The reversal of 2119637794 is 4977369112.

It is an interprime number because it is at equal distance from previous prime (2119637791) and next prime (2119637797).

It is not an unprimeable number, because it can be changed into a prime (2119637791) by changing a digit.

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, 620439 + ... + 623845.

It is an arithmetic number, because the mean of its divisors is an integer number (199669608).

Almost surely, 2^2119637794 is an apocalyptic number.

2119637794 is a deficient number, since it is larger than the sum of its proper divisors (1075075934).

2119637794 is a wasteful number, since it uses less digits than its factorization.

2119637794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4809.

The product of its digits is 571536, while the sum is 49.

The square root of 2119637794 is about 46039.5242590538. The cubic root of 2119637794 is about 1284.5584929647.

The spelling of 2119637794 in words is "two billion, one hundred nineteen million, six hundred thirty-seven thousand, seven hundred ninety-four".