2162070709 has 2 divisors, whose sum is σ = 2162070710. Its totient is φ = 2162070708.

The previous prime is 2162070689. The next prime is 2162070737. The reversal of 2162070709 is 9070702612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2113976484 + 48094225 = 45978^2 + 6935^2 .

It is a cyclic number.

It is not a de Polignac number, because 2162070709 - 2¹¹ = 2162068661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2162070749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081035354 + 1081035355.

It is an arithmetic number, because the mean of its divisors is an integer number (1081035355).

Almost surely, 2^2162070709 is an apocalyptic number.

It is an amenable number.

2162070709 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162070709 is an equidigital number, since it uses as much as digits as its factorization.

2162070709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 2162070709 is about 46498.0720998194. The cubic root of 2162070709 is about 1293.0737568400.

It can be divided in two parts, 21620 and 70709, that added together give a palindrome (92329).

The spelling of 2162070709 in words is "two billion, one hundred sixty-two million, seventy thousand, seven hundred nine".