2209658039 has 2 divisors, whose sum is σ = 2209658040. Its totient is φ = 2209658038.

The previous prime is 2209658023. The next prime is 2209658051. The reversal of 2209658039 is 9308569022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2209658039 - 2⁴ = 2209658023 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2209651039) 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, 1104829019 + 1104829020.

It is an arithmetic number, because the mean of its divisors is an integer number (1104829020).

Almost surely, 2^2209658039 is an apocalyptic number.

2209658039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2209658039 is an equidigital number, since it uses as much as digits as its factorization.

2209658039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 2209658039 is about 47006.9998936329. Note that the first 3 decimals coincide. The cubic root of 2209658039 is about 1302.4918750898.

The spelling of 2209658039 in words is "two billion, two hundred nine million, six hundred fifty-eight thousand, thirty-nine".