13681288933 has 8 divisors (see below), whose sum is σ = 14746380768. Its totient is φ = 12618009264.

The previous prime is 13681288897. The next prime is 13681288961. The reversal of 13681288933 is 33988218631.

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 13681288933 - 2³³ = 5091354341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13681288633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437335 + ... + 467572.

It is an arithmetic number, because the mean of its divisors is an integer number (1843297596).

Almost surely, 2^13681288933 is an apocalyptic number.

13681288933 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13681288933 is a deficient number, since it is larger than the sum of its proper divisors (1065091835).

13681288933 is a wasteful number, since it uses less digits than its factorization.

13681288933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906083.

The product of its digits is 1492992, while the sum is 52.

The spelling of 13681288933 in words is "thirteen billion, six hundred eighty-one million, two hundred eighty-eight thousand, nine hundred thirty-three".