13504734769 has 2 divisors, whose sum is σ = 13504734770. Its totient is φ = 13504734768.

The previous prime is 13504734743. The next prime is 13504734773. The reversal of 13504734769 is 96743740531.

It is a happy number.

13504734769 is digitally balanced in base 2, because in such base 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., 11607261169 + 1897473600 = 107737^2 + 43560^2 .

It is a cyclic number.

It is not a de Polignac number, because 13504734769 - 2⁷ = 13504734641 is a prime.

It is a super-2 number, since 2×13504734769² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13504734739) 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, 6752367384 + 6752367385.

It is an arithmetic number, because the mean of its divisors is an integer number (6752367385).

Almost surely, 2^13504734769 is an apocalyptic number.

It is an amenable number.

13504734769 is a deficient number, since it is larger than the sum of its proper divisors (1).

13504734769 is an equidigital number, since it uses as much as digits as its factorization.

13504734769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1905120, while the sum is 49.

The spelling of 13504734769 in words is "thirteen billion, five hundred four million, seven hundred thirty-four thousand, seven hundred sixty-nine".