8491060418 has 4 divisors (see below), whose sum is σ = 12736590630. Its totient is φ = 4245530208.

The previous prime is 8491060387. The next prime is 8491060429. The reversal of 8491060418 is 8140601948.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8326015009 + 165045409 = 91247^2 + 12847^2 .

It is an unprimeable number.

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, 2122765103 + ... + 2122765106.

Almost surely, 2^8491060418 is an apocalyptic number.

8491060418 is a deficient number, since it is larger than the sum of its proper divisors (4245530212).

8491060418 is a wasteful number, since it uses less digits than its factorization.

8491060418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4245530211.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 8491060418 is about 92146.9501285854. The cubic root of 8491060418 is about 2040.1118433170. Note that the first 3 decimals are identical.

The spelling of 8491060418 in words is "eight billion, four hundred ninety-one million, sixty thousand, four hundred eighteen".