2174309009 has 2 divisors, whose sum is σ = 2174309010. Its totient is φ = 2174309008.

The previous prime is 2174308999. The next prime is 2174309051. The reversal of 2174309009 is 9009034712.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1570378384 + 603930625 = 39628^2 + 24575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2174309009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2174309009.

It is not a weakly prime, because it can be changed into another prime (2174309069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1087154504 + 1087154505.

It is an arithmetic number, because the mean of its divisors is an integer number (1087154505).

Almost surely, 2^2174309009 is an apocalyptic number.

It is an amenable number.

2174309009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2174309009 is an equidigital number, since it uses as much as digits as its factorization.

2174309009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 2174309009 is about 46629.4864758342. The cubic root of 2174309009 is about 1295.5089622968.

The spelling of 2174309009 in words is "two billion, one hundred seventy-four million, three hundred nine thousand, nine".