2099009700018 has 48 divisors (see below), whose sum is σ = 5670052180416. Its totient is φ = 545197324320.

The previous prime is 2099009700001. The next prime is 2099009700031. The reversal of 2099009700018 is 8100079009902.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 757217121 + ... + 757219892.

It is an arithmetic number, because the mean of its divisors is an integer number (118126087092).

Almost surely, 2^{2099009700018} is an apocalyptic number.

2099009700018 is an abundant number, since it is smaller than the sum of its proper divisors (3571042480398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2099009700018 is a wasteful number, since it uses less digits than its factorization.

2099009700018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514437039 (or 1514437036 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The spelling of 2099009700018 in words is "two trillion, ninety-nine billion, nine million, seven hundred thousand, eighteen".