13078745759 has 4 divisors (see below), whose sum is σ = 13397739600. Its totient is φ = 12759751920.

The previous prime is 13078745731. The next prime is 13078745767. The reversal of 13078745759 is 95754787031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95754787031 = 811 ⋅118070021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13078745759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13078735759) 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 in 3 ways as a sum of consecutive naturals, for example, 159496859 + ... + 159496940.

It is an arithmetic number, because the mean of its divisors is an integer number (3349434900).

Almost surely, 2^13078745759 is an apocalyptic number.

13078745759 is a deficient number, since it is larger than the sum of its proper divisors (318993841).

13078745759 is an equidigital number, since it uses as much as digits as its factorization.

13078745759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318993840.

The product of its (nonzero) digits is 7408800, while the sum is 56.

The spelling of 13078745759 in words is "thirteen billion, seventy-eight million, seven hundred forty-five thousand, seven hundred fifty-nine".