2099769408 has 336 divisors, whose sum is σ = 6889821120. Its totient is φ = 605798400.

The previous prime is 2099769403. The next prime is 2099769443. The reversal of 2099769408 is 8049679902.

It is not an unprimeable number, because it can be changed into a prime (2099769403) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15326716 + ... + 15326852.

It is an arithmetic number, because the mean of its divisors is an integer number (20505420).

Almost surely, 2^2099769408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2099769408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3444910560).

2099769408 is an abundant number, since it is smaller than the sum of its proper divisors (4790051712).

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

2099769408 is a wasteful number, since it uses less digits than its factorization.

2099769408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The square root of 2099769408 is about 45823.2409155005. The cubic root of 2099769408 is about 1280.5322916352.

The spelling of 2099769408 in words is "two billion, ninety-nine million, seven hundred sixty-nine thousand, four hundred eight".