9618100899 has 32 divisors (see below), whose sum is σ = 14129676288. Its totient is φ = 5771232000.

The previous prime is 9618100871. The next prime is 9618100909. The reversal of 9618100899 is 9980018169.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-9618100899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9618200899) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1388254 + ... + 1395164.

It is an arithmetic number, because the mean of its divisors is an integer number (441552384).

Almost surely, 2^9618100899 is an apocalyptic number.

9618100899 is a deficient number, since it is larger than the sum of its proper divisors (4511575389).

9618100899 is a wasteful number, since it uses less digits than its factorization.

9618100899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7339.

The product of its (nonzero) digits is 279936, while the sum is 51.

The square root of 9618100899 is about 98071.9169742287. The cubic root of 9618100899 is about 2126.6520688353.

The spelling of 9618100899 in words is "nine billion, six hundred eighteen million, one hundred thousand, eight hundred ninety-nine".