2039192009 has 2 divisors, whose sum is σ = 2039192010. Its totient is φ = 2039192008.

The previous prime is 2039191969. The next prime is 2039192047. The reversal of 2039192009 is 9002919302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1099585600 + 939606409 = 33160^2 + 30653^2 .

It is a cyclic number.

It is not a de Polignac number, because 2039192009 - 2¹⁶ = 2039126473 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2039192009.

It is not a weakly prime, because it can be changed into another prime (2039192069) 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, 1019596004 + 1019596005.

It is an arithmetic number, because the mean of its divisors is an integer number (1019596005).

Almost surely, 2^2039192009 is an apocalyptic number.

It is an amenable number.

2039192009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2039192009 is an equidigital number, since it uses as much as digits as its factorization.

2039192009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 2039192009 is about 45157.4136659752. The cubic root of 2039192009 is about 1268.0976766748.

The spelling of 2039192009 in words is "two billion, thirty-nine million, one hundred ninety-two thousand, nine".