13393842388 has 6 divisors (see below), whose sum is σ = 23439224186. Its totient is φ = 6696921192.

The previous prime is 13393842367. The next prime is 13393842421. The reversal of 13393842388 is 88324839331.

13393842388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11913285904 + 1480556484 = 109148^2 + 38478^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1674230295 + ... + 1674230302.

Almost surely, 2^13393842388 is an apocalyptic number.

It is an amenable number.

13393842388 is a deficient number, since it is larger than the sum of its proper divisors (10045381798).

13393842388 is a wasteful number, since it uses less digits than its factorization.

13393842388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3348460601 (or 3348460599 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 52.

The spelling of 13393842388 in words is "thirteen billion, three hundred ninety-three million, eight hundred forty-two thousand, three hundred eighty-eight".