8979186493 has 2 divisors, whose sum is σ = 8979186494. Its totient is φ = 8979186492.

The previous prime is 8979186481. The next prime is 8979186521. The reversal of 8979186493 is 3946819798.

8979186493 is digitally balanced in base 2, 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., 5614954489 + 3364232004 = 74933^2 + 58002^2 .

It is a cyclic number.

It is not a de Polignac number, because 8979186493 - 2³³ = 389251901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8979186443) 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, 4489593246 + 4489593247.

It is an arithmetic number, because the mean of its divisors is an integer number (4489593247).

Almost surely, 2^8979186493 is an apocalyptic number.

It is an amenable number.

8979186493 is a deficient number, since it is larger than the sum of its proper divisors (1).

8979186493 is an equidigital number, since it uses as much as digits as its factorization.

8979186493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23514624, while the sum is 64.

The square root of 8979186493 is about 94758.5694963785. The cubic root of 8979186493 is about 2078.4791098628.

The spelling of 8979186493 in words is "eight billion, nine hundred seventy-nine million, one hundred eighty-six thousand, four hundred ninety-three".