13103849789 has 2 divisors, whose sum is σ = 13103849790. Its totient is φ = 13103849788.

The previous prime is 13103849779. The next prime is 13103849827. The reversal of 13103849789 is 98794830131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11593905625 + 1509944164 = 107675^2 + 38858^2 .

It is a cyclic number.

It is not a de Polignac number, because 13103849789 - 2⁸ = 13103849533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13103849789.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13103849729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6551924894 + 6551924895.

It is an arithmetic number, because the mean of its divisors is an integer number (6551924895).

Almost surely, 2^13103849789 is an apocalyptic number.

It is an amenable number.

13103849789 is a deficient number, since it is larger than the sum of its proper divisors (1).

13103849789 is an equidigital number, since it uses as much as digits as its factorization.

13103849789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 13103849789 in words is "thirteen billion, one hundred three million, eight hundred forty-nine thousand, seven hundred eighty-nine".