10135919909 has 2 divisors, whose sum is σ = 10135919910. Its totient is φ = 10135919908.

The previous prime is 10135919839. The next prime is 10135919921. The reversal of 10135919909 is 90991953101.

10135919909 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7421822500 + 2714097409 = 86150^2 + 52097^2 .

It is a cyclic number.

It is not a de Polignac number, because 10135919909 - 2⁸ = 10135919653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10135919939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5067959954 + 5067959955.

It is an arithmetic number, because the mean of its divisors is an integer number (5067959955).

Almost surely, 2^10135919909 is an apocalyptic number.

It is an amenable number.

10135919909 is a deficient number, since it is larger than the sum of its proper divisors (1).

10135919909 is an equidigital number, since it uses as much as digits as its factorization.

10135919909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98415, while the sum is 47.

The spelling of 10135919909 in words is "ten billion, one hundred thirty-five million, nine hundred nineteen thousand, nine hundred nine".