13893917751 has 48 divisors (see below), whose sum is σ = 24243831040. Its totient is φ = 7490154240.

The previous prime is 13893917747. The next prime is 13893917759. The reversal of 13893917751 is 15771939831.

13893917751 is a `hidden beast` number, since 138 + 9 + 391 + 77 + 51 = 666.

13893917751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13893917751 - 2² = 13893917747 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 (13893917759) by changing a digit.

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 in 47 ways as a sum of consecutive naturals, for example, 264396 + ... + 312558.

Almost surely, 2^13893917751 is an apocalyptic number.

13893917751 is a deficient number, since it is larger than the sum of its proper divisors (10349913289).

13893917751 is a wasteful number, since it uses less digits than its factorization.

13893917751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48436 (or 48433 counting only the distinct ones).

The product of its digits is 1428840, while the sum is 54.

The spelling of 13893917751 in words is "thirteen billion, eight hundred ninety-three million, nine hundred seventeen thousand, seven hundred fifty-one".