2075213809 has 2 divisors, whose sum is σ = 2075213810. Its totient is φ = 2075213808.

The previous prime is 2075213761. The next prime is 2075213843. The reversal of 2075213809 is 9083125702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1365524209 + 709689600 = 36953^2 + 26640^2 .

It is a cyclic number.

It is not a de Polignac number, because 2075213809 - 2⁹ = 2075213297 is a prime.

It is not a weakly prime, because it can be changed into another prime (2075213849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1037606904 + 1037606905.

It is an arithmetic number, because the mean of its divisors is an integer number (1037606905).

Almost surely, 2^2075213809 is an apocalyptic number.

It is an amenable number.

2075213809 is a deficient number, since it is larger than the sum of its proper divisors (1).

2075213809 is an equidigital number, since it uses as much as digits as its factorization.

2075213809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 2075213809 is about 45554.5146939357. The cubic root of 2075213809 is about 1275.5210089578.

The spelling of 2075213809 in words is "two billion, seventy-five million, two hundred thirteen thousand, eight hundred nine".