4938666668395 has 32 divisors (see below), whose sum is σ = 6110932294656. Its totient is φ = 3829263379200.

The previous prime is 4938666668393. The next prime is 4938666668413. The reversal of 4938666668395 is 5938666668394.

It is not a de Polignac number, because 4938666668395 - 2¹ = 4938666668393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4938666668393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19149492 + ... + 19405678.

It is an arithmetic number, because the mean of its divisors is an integer number (190966634208).

Almost surely, 2^{4938666668395} is an apocalyptic number.

4938666668395 is a deficient number, since it is larger than the sum of its proper divisors (1172265626261).

4938666668395 is a wasteful number, since it uses less digits than its factorization.

4938666668395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256851.

The product of its digits is 7255941120, while the sum is 79.

Subtracting 4938666668395 from its reverse (5938666668394), we obtain a palindrome (999999999999).

The spelling of 4938666668395 in words is "four trillion, nine hundred thirty-eight billion, six hundred sixty-six million, six hundred sixty-eight thousand, three hundred ninety-five".