18296315099 has 4 divisors (see below), whose sum is σ = 18301382736. Its totient is φ = 18291247464.

The previous prime is 18296315033. The next prime is 18296315119. The reversal of 18296315099 is 99051369281.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99051369281 = 139 ⋅712599779.

It is a cyclic number.

It is not a de Polignac number, because 18296315099 - 2¹⁶ = 18296249563 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18296315099.

It is not an unprimeable number, because it can be changed into a prime (18296305099) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2528399 + ... + 2535624.

It is an arithmetic number, because the mean of its divisors is an integer number (4575345684).

Almost surely, 2^18296315099 is an apocalyptic number.

18296315099 is a deficient number, since it is larger than the sum of its proper divisors (5067637).

18296315099 is an equidigital number, since it uses as much as digits as its factorization.

18296315099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5067636.

The product of its (nonzero) digits is 1049760, while the sum is 53.

The spelling of 18296315099 in words is "eighteen billion, two hundred ninety-six million, three hundred fifteen thousand, ninety-nine".