56138683369 has 8 divisors (see below), whose sum is σ = 56241174080. Its totient is φ = 56036263536.

The previous prime is 56138683327. The next prime is 56138683397. The reversal of 56138683369 is 96338683165.

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 56138683369 - 2⁹ = 56138682857 is a prime.

It is a super-3 number, since 3×56138683369³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56138683309) 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, 1720642 + ... + 1752964.

It is an arithmetic number, because the mean of its divisors is an integer number (7030146760).

Almost surely, 2^56138683369 is an apocalyptic number.

It is an amenable number.

56138683369 is a deficient number, since it is larger than the sum of its proper divisors (102490711).

56138683369 is a wasteful number, since it uses less digits than its factorization.

56138683369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35439.

The product of its digits is 16796160, while the sum is 58.

The spelling of 56138683369 in words is "fifty-six billion, one hundred thirty-eight million, six hundred eighty-three thousand, three hundred sixty-nine".