4894538281 has 2 divisors, whose sum is σ = 4894538282. Its totient is φ = 4894538280.

The previous prime is 4894538269. The next prime is 4894538293. The reversal of 4894538281 is 1828354984.

It is a balanced prime because it is at equal distance from previous prime (4894538269) and next prime (4894538293).

It can be written as a sum of positive squares in only one way, i.e., 2800103056 + 2094435225 = 52916^2 + 45765^2 .

It is a cyclic number.

It is not a de Polignac number, because 4894538281 - 2¹¹ = 4894536233 is a prime.

It is a super-2 number, since 2×4894538281² = 47913009968348869922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4894538381) 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 as a sum of consecutive naturals, namely, 2447269140 + 2447269141.

It is an arithmetic number, because the mean of its divisors is an integer number (2447269141).

Almost surely, 2^4894538281 is an apocalyptic number.

4894538281 is the 31288-th centered decagonal number.

It is an amenable number.

4894538281 is a deficient number, since it is larger than the sum of its proper divisors (1).

4894538281 is an equidigital number, since it uses as much as digits as its factorization.

4894538281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2211840, while the sum is 52.

The square root of 4894538281 is about 69960.9768442380. The cubic root of 4894538281 is about 1697.8679478541.

The spelling of 4894538281 in words is "four billion, eight hundred ninety-four million, five hundred thirty-eight thousand, two hundred eighty-one".