2170036109 has 4 divisors (see below), whose sum is σ = 2173647420. Its totient is φ = 2166424800.

The previous prime is 2170036049. The next prime is 2170036123. The reversal of 2170036109 is 9016300712.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2023020484 + 147015625 = 44978^2 + 12125^2 .

It is a cyclic number.

It is not a de Polignac number, because 2170036109 - 2⁸ = 2170035853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2170036129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1804754 + ... + 1805955.

It is an arithmetic number, because the mean of its divisors is an integer number (543411855).

Almost surely, 2^2170036109 is an apocalyptic number.

It is an amenable number.

2170036109 is a deficient number, since it is larger than the sum of its proper divisors (3611311).

2170036109 is an equidigital number, since it uses as much as digits as its factorization.

2170036109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3611310.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 2170036109 is about 46583.6463686560. The cubic root of 2170036109 is about 1294.6597713867.

The spelling of 2170036109 in words is "two billion, one hundred seventy million, thirty-six thousand, one hundred nine".