10000597909 has 2 divisors, whose sum is σ = 10000597910. Its totient is φ = 10000597908.

The previous prime is 10000597903. The next prime is 10000597951. The reversal of 10000597909 is 90979500001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7322224900 + 2678373009 = 85570^2 + 51753^2 .

It is a cyclic number.

It is not a de Polignac number, because 10000597909 - 2⁷ = 10000597781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10000597903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000298954 + 5000298955.

It is an arithmetic number, because the mean of its divisors is an integer number (5000298955).

Almost surely, 2^10000597909 is an apocalyptic number.

It is an amenable number.

10000597909 is a deficient number, since it is larger than the sum of its proper divisors (1).

10000597909 is an equidigital number, since it uses as much as digits as its factorization.

10000597909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25515, while the sum is 40.

The spelling of 10000597909 in words is "ten billion, five hundred ninety-seven thousand, nine hundred nine".