13071854755909 has 2 divisors, whose sum is σ = 13071854755910. Its totient is φ = 13071854755908.

The previous prime is 13071854755907. The next prime is 13071854756017. The reversal of 13071854755909 is 90955745817031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8728757075809 + 4343097680100 = 2954447^2 + 2084010^2 .

It is a cyclic number.

It is not a de Polignac number, because 13071854755909 - 2¹ = 13071854755907 is a prime.

Together with 13071854755907, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13071854755907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6535927377954 + 6535927377955.

It is an arithmetic number, because the mean of its divisors is an integer number (6535927377955).

Almost surely, 2^{13071854755909} is an apocalyptic number.

It is an amenable number.

13071854755909 is a deficient number, since it is larger than the sum of its proper divisors (1).

13071854755909 is an equidigital number, since it uses as much as digits as its factorization.

13071854755909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628000, while the sum is 64.

The spelling of 13071854755909 in words is "thirteen trillion, seventy-one billion, eight hundred fifty-four million, seven hundred fifty-five thousand, nine hundred nine".