8493389966 has 8 divisors (see below), whose sum is σ = 12742522344. Its totient is φ = 4245882520.

The previous prime is 8493389953. The next prime is 8493390001. The reversal of 8493389966 is 6699833948.

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

It is a super-2 number, since 2×8493389966² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393080 + ... + 414123.

It is an arithmetic number, because the mean of its divisors is an integer number (1592815293).

Almost surely, 2^8493389966 is an apocalyptic number.

8493389966 is a deficient number, since it is larger than the sum of its proper divisors (4249132378).

8493389966 is a wasteful number, since it uses less digits than its factorization.

8493389966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812466.

The product of its digits is 60466176, while the sum is 65.

The square root of 8493389966 is about 92159.5896583747. The cubic root of 8493389966 is about 2040.2983965338.

The spelling of 8493389966 in words is "eight billion, four hundred ninety-three million, three hundred eighty-nine thousand, nine hundred sixty-six".