8984331493 has 2 divisors, whose sum is σ = 8984331494. Its totient is φ = 8984331492.

The previous prime is 8984331491. The next prime is 8984331497. The reversal of 8984331493 is 3941334898.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8959947649 + 24383844 = 94657^2 + 4938^2 .

It is a cyclic number.

It is not a de Polignac number, because 8984331493 - 2¹ = 8984331491 is a prime.

It is a super-2 number, since 2×8984331493² (a number of 21 digits) contains 22 as substring.

Together with 8984331491, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 8984331493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8984331491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4492165746 + 4492165747.

It is an arithmetic number, because the mean of its divisors is an integer number (4492165747).

Almost surely, 2^8984331493 is an apocalyptic number.

It is an amenable number.

8984331493 is a deficient number, since it is larger than the sum of its proper divisors (1).

8984331493 is an equidigital number, since it uses as much as digits as its factorization.

8984331493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2239488, while the sum is 52.

The square root of 8984331493 is about 94785.7135490365. The cubic root of 8984331493 is about 2078.8760178751.

The spelling of 8984331493 in words is "eight billion, nine hundred eighty-four million, three hundred thirty-one thousand, four hundred ninety-three".