2091288096 has 72 divisors (see below), whose sum is σ = 5952115260. Its totient is φ = 696508416.

The previous prime is 2091288083. The next prime is 2091288097. The reversal of 2091288096 is 6908821902.

It can be written as a sum of positive squares in 2 ways, for example, as 2082644496 + 8643600 = 45636^2 + 2940^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2091288097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 461136 + ... + 465648.

Almost surely, 2^2091288096 is an apocalyptic number.

It is an amenable number.

2091288096 is an abundant number, since it is smaller than the sum of its proper divisors (3860827164).

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

2091288096 is a wasteful number, since it uses less digits than its factorization.

2091288096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6138 (or 6127 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 2091288096 is about 45730.6034948152. The cubic root of 2091288096 is about 1278.8058720066.

The spelling of 2091288096 in words is "two billion, ninety-one million, two hundred eighty-eight thousand, ninety-six".