10019609 has 2 divisors, whose sum is σ = 10019610. Its totient is φ = 10019608.

The previous prime is 10019599. The next prime is 10019627. The reversal of 10019609 is 90691001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9784384 + 235225 = 3128^2 + 485^2 .

It is a cyclic number.

It is not a de Polignac number, because 10019609 - 2²⁰ = 8971033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10019689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5009804 + 5009805.

It is an arithmetic number, because the mean of its divisors is an integer number (5009805).

Almost surely, 2^10019609 is an apocalyptic number.

It is an amenable number.

10019609 is a deficient number, since it is larger than the sum of its proper divisors (1).

10019609 is an equidigital number, since it uses as much as digits as its factorization.

10019609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 10019609 is about 3165.3765968681. The cubic root of 10019609 is about 215.5841980908.

The spelling of 10019609 in words is "ten million, nineteen thousand, six hundred nine".