2108738196 has 36 divisors (see below), whose sum is σ = 5383207284. Its totient is φ = 695952000.

The previous prime is 2108738171. The next prime is 2108738197. The reversal of 2108738196 is 6918378012.

2108738196 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1101310596 + 1007427600 = 33186^2 + 31740^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108738197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 286345 + ... + 293616.

Almost surely, 2^2108738196 is an apocalyptic number.

It is an amenable number.

2108738196 is an abundant number, since it is smaller than the sum of its proper divisors (3274469088).

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

2108738196 is a wasteful number, since it uses less digits than its factorization.

2108738196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580072 (or 580067 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 2108738196 is about 45920.9995100281. Note that the first 3 decimals coincide. The cubic root of 2108738196 is about 1282.3528898896.

Adding to 2108738196 its sum of digits (45), we get a square (2108738241 = 45921²).

The spelling of 2108738196 in words is "two billion, one hundred eight million, seven hundred thirty-eight thousand, one hundred ninety-six".