2099997900084 has 48 divisors (see below), whose sum is σ = 5609699892608. Its totient is φ = 598959525888.

The previous prime is 2099997900079. The next prime is 2099997900101. The reversal of 2099997900084 is 4800097999902.

It is a junction number, because it is equal to n+sod(n) for n = 2099997899988 and 2099997900024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21615289 + ... + 21712224.

Almost surely, 2^{2099997900084} is an apocalyptic number.

It is an amenable number.

2099997900084 is an abundant number, since it is smaller than the sum of its proper divisors (3509701992524).

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

2099997900084 is a wasteful number, since it uses less digits than its factorization.

2099997900084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43328104 (or 43328102 counting only the distinct ones).

The product of its (nonzero) digits is 26453952, while the sum is 66.

The spelling of 2099997900084 in words is "two trillion, ninety-nine billion, nine hundred ninety-seven million, nine hundred thousand, eighty-four".