8358938281 has 2 divisors, whose sum is σ = 8358938282. Its totient is φ = 8358938280.

The previous prime is 8358938251. The next prime is 8358938311. The reversal of 8358938281 is 1828398538.

It is a balanced prime because it is at equal distance from previous prime (8358938251) and next prime (8358938311).

It can be written as a sum of positive squares in only one way, i.e., 8354874025 + 4064256 = 91405^2 + 2016^2 .

It is a cyclic number.

It is not a de Polignac number, because 8358938281 - 2¹¹ = 8358936233 is a prime.

It is a super-2 number, since 2×8358938281² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8358938201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4179469140 + 4179469141.

It is an arithmetic number, because the mean of its divisors is an integer number (4179469141).

Almost surely, 2^8358938281 is an apocalyptic number.

8358938281 is the 40888-th centered decagonal number.

It is an amenable number.

8358938281 is a deficient number, since it is larger than the sum of its proper divisors (1).

8358938281 is an equidigital number, since it uses as much as digits as its factorization.

8358938281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3317760, while the sum is 55.

The square root of 8358938281 is about 91427.2294286554. The cubic root of 8358938281 is about 2029.4750016258.

The spelling of 8358938281 in words is "eight billion, three hundred fifty-eight million, nine hundred thirty-eight thousand, two hundred eighty-one".