2009242387 has 2 divisors, whose sum is σ = 2009242388. Its totient is φ = 2009242386.

The previous prime is 2009242309. The next prime is 2009242421. The reversal of 2009242387 is 7832429002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2009242387 - 2¹⁵ = 2009209619 is a prime.

It is not a weakly prime, because it can be changed into another prime (2009242307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004621193 + 1004621194.

It is an arithmetic number, because the mean of its divisors is an integer number (1004621194).

Almost surely, 2^2009242387 is an apocalyptic number.

2009242387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2009242387 is an equidigital number, since it uses as much as digits as its factorization.

2009242387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 2009242387 is about 44824.5734725942. The cubic root of 2009242387 is about 1261.8588476292.

The spelling of 2009242387 in words is "two billion, nine million, two hundred forty-two thousand, three hundred eighty-seven".