2075905009 has 2 divisors, whose sum is σ = 2075905010. Its totient is φ = 2075905008.

The previous prime is 2075904953. The next prime is 2075905031. The reversal of 2075905009 is 9005095702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1650390625 + 425514384 = 40625^2 + 20628^2 .

It is a cyclic number.

It is not a de Polignac number, because 2075905009 - 2⁷ = 2075904881 is a prime.

It is not a weakly prime, because it can be changed into another prime (2075905099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1037952504 + 1037952505.

It is an arithmetic number, because the mean of its divisors is an integer number (1037952505).

Almost surely, 2^2075905009 is an apocalyptic number.

It is an amenable number.

2075905009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2075905009 is an equidigital number, since it uses as much as digits as its factorization.

2075905009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 2075905009 is about 45562.1005771244. The cubic root of 2075905009 is about 1275.6626075812.

The spelling of 2075905009 in words is "two billion, seventy-five million, nine hundred five thousand, nine".