9518494899 has 8 divisors (see below), whose sum is σ = 12692109760. Its totient is φ = 6345271656.

The previous prime is 9518494897. The next prime is 9518494969. The reversal of 9518494899 is 9984948159.

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

It is not a de Polignac number, because 9518494899 - 2¹ = 9518494897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9518494897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35509 + ... + 142470.

It is an arithmetic number, because the mean of its divisors is an integer number (1586513720).

Almost surely, 2^9518494899 is an apocalyptic number.

9518494899 is a deficient number, since it is larger than the sum of its proper divisors (3173614861).

9518494899 is a wasteful number, since it uses less digits than its factorization.

9518494899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195809.

The product of its digits is 33592320, while the sum is 66.

The square root of 9518494899 is about 97562.7741456751. The cubic root of 9518494899 is about 2119.2853069572.

The spelling of 9518494899 in words is "nine billion, five hundred eighteen million, four hundred ninety-four thousand, eight hundred ninety-nine".