4991934384 has 30 divisors (see below), whose sum is σ = 13970483436. Its totient is φ = 1663978080.

The previous prime is 4991934379. The next prime is 4991934407. The reversal of 4991934384 is 4834391994.

It is a super-2 number, since 2×4991934384² = 49838817788322918912, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 4991934384.

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 5 ways as a sum of consecutive naturals, for example, 17332962 + ... + 17333249.

Almost surely, 2^4991934384 is an apocalyptic number.

It is an amenable number.

4991934384 is an abundant number, since it is smaller than the sum of its proper divisors (8978549052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4991934384 is a wasteful number, since it uses less digits than its factorization.

4991934384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34666225 (or 34666216 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The square root of 4991934384 is about 70653.6225822852. The cubic root of 4991934384 is about 1709.0559845381.

The spelling of 4991934384 in words is "four billion, nine hundred ninety-one million, nine hundred thirty-four thousand, three hundred eighty-four".