13066978196813 has 8 divisors (see below), whose sum is σ = 13189342453920. Its totient is φ = 12944618439280.

The previous prime is 13066978196747. The next prime is 13066978196873. The reversal of 13066978196813 is 31869187966031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13066978196813 - 2²⁶ = 13066911087949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13066978196873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4858718 + ... + 7052736.

It is an arithmetic number, because the mean of its divisors is an integer number (1648667806740).

Almost surely, 2^{13066978196813} is an apocalyptic number.

It is an amenable number.

13066978196813 is a deficient number, since it is larger than the sum of its proper divisors (122364257107).

13066978196813 is a wasteful number, since it uses less digits than its factorization.

13066978196813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249787.

The product of its (nonzero) digits is 70543872, while the sum is 68.

The spelling of 13066978196813 in words is "thirteen trillion, sixty-six billion, nine hundred seventy-eight million, one hundred ninety-six thousand, eight hundred thirteen".