10106043509 has 2 divisors, whose sum is σ = 10106043510. Its totient is φ = 10106043508.

The previous prime is 10106043487. The next prime is 10106043553. The reversal of 10106043509 is 90534060101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7369707409 + 2736336100 = 85847^2 + 52310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10106043509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10106043559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5053021754 + 5053021755.

It is an arithmetic number, because the mean of its divisors is an integer number (5053021755).

Almost surely, 2^10106043509 is an apocalyptic number.

It is an amenable number.

10106043509 is a deficient number, since it is larger than the sum of its proper divisors (1).

10106043509 is an equidigital number, since it uses as much as digits as its factorization.

10106043509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The spelling of 10106043509 in words is "ten billion, one hundred six million, forty-three thousand, five hundred nine".