4839557949 has 20 divisors (see below), whose sum is σ = 7543790496. Its totient is φ = 3086093736.

The previous prime is 4839557939. The next prime is 4839557981. The reversal of 4839557949 is 9497559384.

4839557949 is a `hidden beast` number, since 4 + 8 + 39 + 557 + 9 + 49 = 666.

It is not a de Polignac number, because 4839557949 - 2¹² = 4839553853 is a prime.

It is a super-2 number, since 2×4839557949² = 46842642283458173202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4839557929) 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 19 ways as a sum of consecutive naturals, for example, 1296999 + ... + 1300724.

Almost surely, 2^4839557949 is an apocalyptic number.

It is an amenable number.

4839557949 is a deficient number, since it is larger than the sum of its proper divisors (2704232547).

4839557949 is a wasteful number, since it uses less digits than its factorization.

4839557949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2597758 (or 2597749 counting only the distinct ones).

The product of its digits is 48988800, while the sum is 63.

The square root of 4839557949 is about 69566.9314329732. The cubic root of 4839557949 is about 1691.4866123889.

The spelling of 4839557949 in words is "four billion, eight hundred thirty-nine million, five hundred fifty-seven thousand, nine hundred forty-nine".