9499889218 has 8 divisors (see below), whose sum is σ = 14250821580. Its totient is φ = 4749615360.

The previous prime is 9499889207. The next prime is 9499889219. The reversal of 9499889218 is 8129889949.

It can be written as a sum of positive squares in 2 ways, for example, as 9136109889 + 363779329 = 95583^2 + 19073^2 .

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

It is not an unprimeable number, because it can be changed into a prime (9499889219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126823 + ... + 187306.

Almost surely, 2^9499889218 is an apocalyptic number.

9499889218 is a deficient number, since it is larger than the sum of its proper divisors (4750932362).

9499889218 is a wasteful number, since it uses less digits than its factorization.

9499889218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329252.

The product of its digits is 26873856, while the sum is 67.

The square root of 9499889218 is about 97467.3751467639. The cubic root of 9499889218 is about 2117.9035595865.

The spelling of 9499889218 in words is "nine billion, four hundred ninety-nine million, eight hundred eighty-nine thousand, two hundred eighteen".