4873638281 has 2 divisors, whose sum is σ = 4873638282. Its totient is φ = 4873638280.

The previous prime is 4873638277. The next prime is 4873638283. The reversal of 4873638281 is 1828363784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4553550400 + 320087881 = 67480^2 + 17891^2 .

It is a cyclic number.

It is not a de Polignac number, because 4873638281 - 2² = 4873638277 is a prime.

It is a super-2 number, since 2×4873638281² = 47504700188057269922, which contains 22 as substring.

Together with 4873638283, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4873638283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2436819140 + 2436819141.

It is an arithmetic number, because the mean of its divisors is an integer number (2436819141).

Almost surely, 2^4873638281 is an apocalyptic number.

It is an amenable number.

4873638281 is a deficient number, since it is larger than the sum of its proper divisors (1).

4873638281 is an equidigital number, since it uses as much as digits as its factorization.

4873638281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1548288, while the sum is 50.

The square root of 4873638281 is about 69811.4480654856. The cubic root of 4873638281 is about 1695.4478306665.

The spelling of 4873638281 in words is "four billion, eight hundred seventy-three million, six hundred thirty-eight thousand, two hundred eighty-one".