2101807708 has 144 divisors (see below), whose sum is σ = 5017420800. Its totient is φ = 748051200.

The previous prime is 2101807693. The next prime is 2101807769. The reversal of 2101807708 is 8077081012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7755613 + ... + 7755883.

It is an arithmetic number, because the mean of its divisors is an integer number (34843200).

Almost surely, 2^2101807708 is an apocalyptic number.

2101807708 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2101807708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2508710400).

2101807708 is an abundant number, since it is smaller than the sum of its proper divisors (2915613092).

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

2101807708 is a wasteful number, since it uses less digits than its factorization.

2101807708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 34.

The square root of 2101807708 is about 45845.4764180720. The cubic root of 2101807708 is about 1280.9465061435.

The spelling of 2101807708 in words is "two billion, one hundred one million, eight hundred seven thousand, seven hundred eight".