13678893459 has 72 divisors (see below), whose sum is σ = 26393590080. Its totient is φ = 6731877600.

The previous prime is 13678893407. The next prime is 13678893461. The reversal of 13678893459 is 95439887631.

13678893459 is a `hidden beast` number, since 1 + 36 + 78 + 89 + 3 + 459 = 666.

It is not a de Polignac number, because 13678893459 - 2¹¹ = 13678891411 is a prime.

It is a super-2 number, since 2×13678893459² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 13678893396 and 13678893405.

It is not an unprimeable number, because it can be changed into a prime (13678893479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 17964 + ... + 166374.

It is an arithmetic number, because the mean of its divisors is an integer number (366577640).

Almost surely, 2^13678893459 is an apocalyptic number.

13678893459 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13678893459 is a deficient number, since it is larger than the sum of its proper divisors (12714696621).

13678893459 is a wasteful number, since it uses less digits than its factorization.

13678893459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148461 (or 148451 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The spelling of 13678893459 in words is "thirteen billion, six hundred seventy-eight million, eight hundred ninety-three thousand, four hundred fifty-nine".