4942638873 has 10 divisors (see below), whose sum is σ = 7383448314. Its totient is φ = 3295092528.

The previous prime is 4942638859. The next prime is 4942638917. The reversal of 4942638873 is 3788362494.

4942638873 is a `hidden beast` number, since 494 + 2 + 6 + 3 + 88 + 73 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3207749769 + 1734889104 = 56637^2 + 41652^2 .

It is not a de Polignac number, because 4942638873 - 2¹² = 4942634777 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4942638823) 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 9 ways as a sum of consecutive naturals, for example, 30510036 + ... + 30510197.

Almost surely, 2^4942638873 is an apocalyptic number.

It is an amenable number.

4942638873 is a deficient number, since it is larger than the sum of its proper divisors (2440809441).

4942638873 is an equidigital number, since it uses as much as digits as its factorization.

4942638873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61020245 (or 61020236 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The square root of 4942638873 is about 70303.9036825125. The cubic root of 4942638873 is about 1703.4117036571.

The spelling of 4942638873 in words is "four billion, nine hundred forty-two million, six hundred thirty-eight thousand, eight hundred seventy-three".