2009702239 has 2 divisors, whose sum is σ = 2009702240. Its totient is φ = 2009702238.

The previous prime is 2009702237. The next prime is 2009702269. The reversal of 2009702239 is 9322079002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2009702239 - 2¹ = 2009702237 is a prime.

It is a super-2 number, since 2×2009702239² = 8077806178883226242, which contains 22 as substring.

Together with 2009702237, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2009702237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004851119 + 1004851120.

It is an arithmetic number, because the mean of its divisors is an integer number (1004851120).

Almost surely, 2^2009702239 is an apocalyptic number.

2009702239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2009702239 is an equidigital number, since it uses as much as digits as its factorization.

2009702239 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 34.

The square root of 2009702239 is about 44829.7026423330. The cubic root of 2009702239 is about 1261.9551068056.

The spelling of 2009702239 in words is "two billion, nine million, seven hundred two thousand, two hundred thirty-nine".