4875738821 has 2 divisors, whose sum is σ = 4875738822. Its totient is φ = 4875738820.

The previous prime is 4875738817. The next prime is 4875738863. The reversal of 4875738821 is 1288375784.

4875738821 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4748725921 + 127012900 = 68911^2 + 11270^2 .

It is a cyclic number.

It is not a de Polignac number, because 4875738821 - 2² = 4875738817 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4875738121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2437869410 + 2437869411.

It is an arithmetic number, because the mean of its divisors is an integer number (2437869411).

Almost surely, 2^4875738821 is an apocalyptic number.

It is an amenable number.

4875738821 is a deficient number, since it is larger than the sum of its proper divisors (1).

4875738821 is an equidigital number, since it uses as much as digits as its factorization.

4875738821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3010560, while the sum is 53.

The square root of 4875738821 is about 69826.4908254740. The cubic root of 4875738821 is about 1695.6913752393.

It can be divided in two parts, 48757 and 38821, that added together give a palindrome (87578).

The spelling of 4875738821 in words is "four billion, eight hundred seventy-five million, seven hundred thirty-eight thousand, eight hundred twenty-one".