2099772936 has 64 divisors (see below), whose sum is σ = 5842800000. Its totient is φ = 698712768.

The previous prime is 2099772929. The next prime is 2099772937. The reversal of 2099772936 is 6392779902.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2099772937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121270 + ... + 137498.

It is an arithmetic number, because the mean of its divisors is an integer number (91293750).

Almost surely, 2^2099772936 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 2099772936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2921400000).

2099772936 is an abundant number, since it is smaller than the sum of its proper divisors (3743027064).

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

2099772936 is a wasteful number, since it uses less digits than its factorization.

2099772936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16843 (or 16833 counting only the distinct ones).

The product of its (nonzero) digits is 2571912, while the sum is 54.

The square root of 2099772936 is about 45823.2794112338. The cubic root of 2099772936 is about 1280.5330088116.

The spelling of 2099772936 in words is "two billion, ninety-nine million, seven hundred seventy-two thousand, nine hundred thirty-six".