2100843730 has 8 divisors (see below), whose sum is σ = 3781518732. Its totient is φ = 840337488.

The previous prime is 2100843707. The next prime is 2100843749. The reversal of 2100843730 is 373480012.

It can be written as a sum of positive squares in 2 ways, for example, as 2096815681 + 4028049 = 45791^2 + 2007^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105042177 + ... + 105042196.

Almost surely, 2^2100843730 is an apocalyptic number.

2100843730 is a deficient number, since it is larger than the sum of its proper divisors (1680675002).

2100843730 is a wasteful number, since it uses less digits than its factorization.

2100843730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210084380.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2100843730 is about 45834.9618740978. The cubic root of 2100843730 is about 1280.7506440970.

The spelling of 2100843730 in words is "two billion, one hundred million, eight hundred forty-three thousand, seven hundred thirty".