4939809784 has 32 divisors (see below), whose sum is σ = 11399562720. Its totient is φ = 1954210176.

The previous prime is 4939809779. The next prime is 4939809811. The reversal of 4939809784 is 4879089394.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3391999 + ... + 3393454.

It is an arithmetic number, because the mean of its divisors is an integer number (356236335).

Almost surely, 2^4939809784 is an apocalyptic number.

It is an amenable number.

4939809784 is an abundant number, since it is smaller than the sum of its proper divisors (6459752936).

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

4939809784 is a wasteful number, since it uses less digits than its factorization.

4939809784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6785479 (or 6785475 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 61.

The square root of 4939809784 is about 70283.7803764140. The cubic root of 4939809784 is about 1703.0866395777.

The spelling of 4939809784 in words is "four billion, nine hundred thirty-nine million, eight hundred nine thousand, seven hundred eighty-four".