2170708900 has 18 divisors (see below), whose sum is σ = 4710438530. Its totient is φ = 868283520.

The previous prime is 2170708861. The next prime is 2170708921. The reversal of 2170708900 is 98070712.

It can be written as a sum of positive squares in 3 ways, for example, as 186540964 + 1984167936 = 13658^2 + 44544^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10853445 + ... + 10853644.

Almost surely, 2^2170708900 is an apocalyptic number.

2170708900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2170708900 is an abundant number, since it is smaller than the sum of its proper divisors (2539729630).

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

2170708900 is a wasteful number, since it uses less digits than its factorization.

2170708900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21707103 (or 21707096 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 2170708900 is about 46590.8671308015. The cubic root of 2170708900 is about 1294.7935549424.

The spelling of 2170708900 in words is "two billion, one hundred seventy million, seven hundred eight thousand, nine hundred".