13201791678388 has 12 divisors (see below), whose sum is σ = 23122372027972. Its totient is φ = 6595399670400.

The previous prime is 13201791678379. The next prime is 13201791678407. The reversal of 13201791678388 is 88387619710231.

It can be written as a sum of positive squares in 2 ways, for example, as 418792768164 + 12782998910224 = 647142^2 + 3575332^2 .

It is a congruent number.

It is an unprimeable number.

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, 1374036795 + ... + 1374046402.

Almost surely, 2^{13201791678388} is an apocalyptic number.

It is an amenable number.

13201791678388 is a deficient number, since it is larger than the sum of its proper divisors (9920580349584).

13201791678388 is a wasteful number, since it uses less digits than its factorization.

13201791678388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748084402 (or 2748084400 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 64.

The spelling of 13201791678388 in words is "thirteen trillion, two hundred one billion, seven hundred ninety-one million, six hundred seventy-eight thousand, three hundred eighty-eight".