13197827784959 has 16 divisors (see below), whose sum is σ = 13355364188160. Its totient is φ = 13040500112640.

The previous prime is 13197827784949. The next prime is 13197827785003. The reversal of 13197827784959 is 95948772879131.

13197827784959 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13197827784959 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 (13197827784949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1611255554 + ... + 1611263744.

It is an arithmetic number, because the mean of its divisors is an integer number (834710261760).

Almost surely, 2^{13197827784959} is an apocalyptic number.

13197827784959 is a deficient number, since it is larger than the sum of its proper divisors (157536403201).

13197827784959 is an equidigital number, since it uses as much as digits as its factorization.

13197827784959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18610.

The product of its digits is 1920360960, while the sum is 80.

The spelling of 13197827784959 in words is "thirteen trillion, one hundred ninety-seven billion, eight hundred twenty-seven million, seven hundred eighty-four thousand, nine hundred fifty-nine".