2011301009 has 2 divisors, whose sum is σ = 2011301010. Its totient is φ = 2011301008.

The previous prime is 2011300999. The next prime is 2011301011. The reversal of 2011301009 is 9001031102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1994515600 + 16785409 = 44660^2 + 4097^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011301009 is a prime.

Together with 2011301011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2011301029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005650504 + 1005650505.

It is an arithmetic number, because the mean of its divisors is an integer number (1005650505).

Almost surely, 2^2011301009 is an apocalyptic number.

It is an amenable number.

2011301009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011301009 is an equidigital number, since it uses as much as digits as its factorization.

2011301009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 2011301009 is about 44847.5306901060. The cubic root of 2011301009 is about 1262.2896573926.

The spelling of 2011301009 in words is "two billion, eleven million, three hundred one thousand, nine".