4991719384 has 32 divisors (see below), whose sum is σ = 9913924800. Its totient is φ = 2348121600.

The previous prime is 4991719307. The next prime is 4991719391. The reversal of 4991719384 is 4839171994.

It is a congruent number.

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, 443377 + ... + 454495.

It is an arithmetic number, because the mean of its divisors is an integer number (309810150).

Almost surely, 2^4991719384 is an apocalyptic number.

It is an amenable number.

4991719384 is a deficient number, since it is larger than the sum of its proper divisors (4922205416).

4991719384 is a wasteful number, since it uses less digits than its factorization.

4991719384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14443 (or 14439 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 55.

The square root of 4991719384 is about 70652.1010586380. The cubic root of 4991719384 is about 1709.0314481371.

The spelling of 4991719384 in words is "four billion, nine hundred ninety-one million, seven hundred nineteen thousand, three hundred eighty-four".