2170803705 has 32 divisors (see below), whose sum is σ = 3991680000. Its totient is φ = 986814912.

The previous prime is 2170803703. The next prime is 2170803731. The reversal of 2170803705 is 5073080712.

It is not a de Polignac number, because 2170803705 - 2¹ = 2170803703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2170803703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38955 + ... + 76544.

It is an arithmetic number, because the mean of its divisors is an integer number (124740000).

Almost surely, 2^2170803705 is an apocalyptic number.

It is an amenable number.

2170803705 is a deficient number, since it is larger than the sum of its proper divisors (1820876295).

2170803705 is a wasteful number, since it uses less digits than its factorization.

2170803705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115693.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 2170803705 is about 46591.8845401214. The cubic root of 2170803705 is about 1294.8124045627.

The spelling of 2170803705 in words is "two billion, one hundred seventy million, eight hundred three thousand, seven hundred five".