13938155697367 has 4 divisors (see below), whose sum is σ = 15205260760776. Its totient is φ = 12671050633960.

The previous prime is 13938155697317. The next prime is 13938155697371. The reversal of 13938155697367 is 76379655183931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13938155697367 - 2⁷ = 13938155697239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13938155697367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13938155697317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633552531688 + ... + 633552531709.

It is an arithmetic number, because the mean of its divisors is an integer number (3801315190194).

Almost surely, 2^{13938155697367} is an apocalyptic number.

13938155697367 is a deficient number, since it is larger than the sum of its proper divisors (1267105063409).

13938155697367 is a wasteful number, since it uses less digits than its factorization.

13938155697367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267105063408.

The product of its digits is 771573600, while the sum is 73.

The spelling of 13938155697367 in words is "thirteen trillion, nine hundred thirty-eight billion, one hundred fifty-five million, six hundred ninety-seven thousand, three hundred sixty-seven".