10609601809 has 2 divisors, whose sum is σ = 10609601810. Its totient is φ = 10609601808.

The previous prime is 10609601777. The next prime is 10609601833. The reversal of 10609601809 is 90810690601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7796360209 + 2813241600 = 88297^2 + 53040^2 .

It is a cyclic number.

It is not a de Polignac number, because 10609601809 - 2⁵ = 10609601777 is a prime.

It is a super-2 number, since 2×10609601809² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10609601609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5304800904 + 5304800905.

It is an arithmetic number, because the mean of its divisors is an integer number (5304800905).

Almost surely, 2^10609601809 is an apocalyptic number.

It is an amenable number.

10609601809 is a deficient number, since it is larger than the sum of its proper divisors (1).

10609601809 is an equidigital number, since it uses as much as digits as its factorization.

10609601809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 10609601809 in words is "ten billion, six hundred nine million, six hundred one thousand, eight hundred nine".