2173036709 has 2 divisors, whose sum is σ = 2173036710. Its totient is φ = 2173036708.

The previous prime is 2173036703. The next prime is 2173036759. The reversal of 2173036709 is 9076303712.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1200969025 + 972067684 = 34655^2 + 31178^2 .

It is a cyclic number.

It is not a de Polignac number, because 2173036709 - 2¹⁶ = 2172971173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2173036703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086518354 + 1086518355.

It is an arithmetic number, because the mean of its divisors is an integer number (1086518355).

Almost surely, 2^2173036709 is an apocalyptic number.

It is an amenable number.

2173036709 is a deficient number, since it is larger than the sum of its proper divisors (1).

2173036709 is an equidigital number, since it uses as much as digits as its factorization.

2173036709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 38.

The square root of 2173036709 is about 46615.8418244270. The cubic root of 2173036709 is about 1295.2562233581.

The spelling of 2173036709 in words is "two billion, one hundred seventy-three million, thirty-six thousand, seven hundred nine".