13244029789 has 2 divisors, whose sum is σ = 13244029790. Its totient is φ = 13244029788.

The previous prime is 13244029783. The next prime is 13244029793. The reversal of 13244029789 is 98792044231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11890157764 + 1353872025 = 109042^2 + 36795^2 .

It is a cyclic number.

It is not a de Polignac number, because 13244029789 - 2⁹ = 13244029277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13244029783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6622014894 + 6622014895.

It is an arithmetic number, because the mean of its divisors is an integer number (6622014895).

Almost surely, 2^13244029789 is an apocalyptic number.

It is an amenable number.

13244029789 is a deficient number, since it is larger than the sum of its proper divisors (1).

13244029789 is an equidigital number, since it uses as much as digits as its factorization.

13244029789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 13244029789 in words is "thirteen billion, two hundred forty-four million, twenty-nine thousand, seven hundred eighty-nine".