2162690009 has 2 divisors, whose sum is σ = 2162690010. Its totient is φ = 2162690008.

The previous prime is 2162689987. The next prime is 2162690027. The reversal of 2162690009 is 9000962612.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1181434384 + 981255625 = 34372^2 + 31325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2162690009 is a prime.

It is not a weakly prime, because it can be changed into another prime (2162690809) 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, 1081345004 + 1081345005.

It is an arithmetic number, because the mean of its divisors is an integer number (1081345005).

Almost surely, 2^2162690009 is an apocalyptic number.

It is an amenable number.

2162690009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162690009 is an equidigital number, since it uses as much as digits as its factorization.

2162690009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 2162690009 is about 46504.7310388954. The cubic root of 2162690009 is about 1293.1972070316.

The spelling of 2162690009 in words is "two billion, one hundred sixty-two million, six hundred ninety thousand, nine".