4839749665 has 8 divisors (see below), whose sum is σ = 5964664680. Its totient is φ = 3767156352.

The previous prime is 4839749627. The next prime is 4839749689. The reversal of 4839749665 is 5669479384.

It can be written as a sum of positive squares in 4 ways, for example, as 133240849 + 4706508816 = 11543^2 + 68604^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4839749665 - 2¹⁵ = 4839716897 is a prime.

It is a super-2 number, since 2×4839749665² = 46846353639735224450, which contains 22 as substring.

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, 13080220 + ... + 13080589.

It is an arithmetic number, because the mean of its divisors is an integer number (745583085).

Almost surely, 2^4839749665 is an apocalyptic number.

It is an amenable number.

4839749665 is a deficient number, since it is larger than the sum of its proper divisors (1124915015).

4839749665 is a wasteful number, since it uses less digits than its factorization.

4839749665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26160851.

The product of its digits is 39191040, while the sum is 61.

The square root of 4839749665 is about 69568.3093441259. The cubic root of 4839749665 is about 1691.5089478149.

The spelling of 4839749665 in words is "four billion, eight hundred thirty-nine million, seven hundred forty-nine thousand, six hundred sixty-five".