2099780412 has 96 divisors (see below), whose sum is σ = 5183668224. Its totient is φ = 660676800.

The previous prime is 2099780401. The next prime is 2099780453. The reversal of 2099780412 is 2140879902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2825713 + ... + 2826455.

It is an arithmetic number, because the mean of its divisors is an integer number (53996544).

Almost surely, 2^2099780412 is an apocalyptic number.

It is an amenable number.

2099780412 is an abundant number, since it is smaller than the sum of its proper divisors (3083887812).

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

2099780412 is a wasteful number, since it uses less digits than its factorization.

2099780412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959 (or 957 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 2099780412 is about 45823.3609854188. The cubic root of 2099780412 is about 1280.5345285399.

The spelling of 2099780412 in words is "two billion, ninety-nine million, seven hundred eighty thousand, four hundred twelve".