13109840797 has 2 divisors, whose sum is σ = 13109840798. Its totient is φ = 13109840796.

The previous prime is 13109840791. The next prime is 13109840813. The reversal of 13109840797 is 79704890131.

13109840797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6966573156 + 6143267641 = 83466^2 + 78379^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13109840797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13109840797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13109840791) 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, 6554920398 + 6554920399.

It is an arithmetic number, because the mean of its divisors is an integer number (6554920399).

Almost surely, 2^13109840797 is an apocalyptic number.

It is an amenable number.

13109840797 is a deficient number, since it is larger than the sum of its proper divisors (1).

13109840797 is an equidigital number, since it uses as much as digits as its factorization.

13109840797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 49.

The spelling of 13109840797 in words is "thirteen billion, one hundred nine million, eight hundred forty thousand, seven hundred ninety-seven".