4939779591 has 6 divisors (see below), whose sum is σ = 7135237200. Its totient is φ = 3293186388.

The previous prime is 4939779553. The next prime is 4939779601. The reversal of 4939779591 is 1959779394.

4939779591 is a `hidden beast` number, since 4 + 9 + 39 + 7 + 7 + 9 + 591 = 666.

It is not a de Polignac number, because 4939779591 - 2⁶ = 4939779527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4939779521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 274432191 + ... + 274432208.

It is an arithmetic number, because the mean of its divisors is an integer number (1189206200).

Almost surely, 2^4939779591 is an apocalyptic number.

4939779591 is a deficient number, since it is larger than the sum of its proper divisors (2195457609).

4939779591 is a wasteful number, since it uses less digits than its factorization.

4939779591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548864405 (or 548864402 counting only the distinct ones).

The product of its digits is 19289340, while the sum is 63.

The square root of 4939779591 is about 70283.5655825741. The cubic root of 4939779591 is about 1703.0831697140.

The spelling of 4939779591 in words is "four billion, nine hundred thirty-nine million, seven hundred seventy-nine thousand, five hundred ninety-one".