8646489393 has 8 divisors (see below), whose sum is σ = 11667552288. Its totient is φ = 5694876384.

The previous prime is 8646489367. The next prime is 8646489409. The reversal of 8646489393 is 3939846468.

8646489393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8646489393 - 2¹⁰ = 8646488369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8646489193) 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 in 7 ways as a sum of consecutive naturals, for example, 17362180 + ... + 17362677.

It is an arithmetic number, because the mean of its divisors is an integer number (1458444036).

Almost surely, 2^8646489393 is an apocalyptic number.

8646489393 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

It is an amenable number.

8646489393 is a deficient number, since it is larger than the sum of its proper divisors (3021062895).

8646489393 is a wasteful number, since it uses less digits than its factorization.

8646489393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34724943.

The product of its digits is 26873856, while the sum is 60.

The square root of 8646489393 is about 92986.5011332290. The cubic root of 8646489393 is about 2052.4847438315.

The spelling of 8646489393 in words is "eight billion, six hundred forty-six million, four hundred eighty-nine thousand, three hundred ninety-three".