4938756643849 has 16 divisors (see below), whose sum is σ = 5984531175168. Its totient is φ = 3978726630912.

The previous prime is 4938756643823. The next prime is 4938756643889. The reversal of 4938756643849 is 9483466578394.

It is a cyclic number.

It is not a de Polignac number, because 4938756643849 - 2¹⁷ = 4938756512777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4938756643889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28456924 + ... + 28629949.

It is an arithmetic number, because the mean of its divisors is an integer number (374033198448).

Almost surely, 2^{4938756643849} is an apocalyptic number.

It is an amenable number.

4938756643849 is a deficient number, since it is larger than the sum of its proper divisors (1045774531319).

4938756643849 is a wasteful number, since it uses less digits than its factorization.

4938756643849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57087624.

The product of its digits is 3762339840, while the sum is 76.

The spelling of 4938756643849 in words is "four trillion, nine hundred thirty-eight billion, seven hundred fifty-six million, six hundred forty-three thousand, eight hundred forty-nine".