13430683231768 has 128 divisors (see below), whose sum is σ = 30162388219200. Its totient is φ = 5534432870400.

The previous prime is 13430683231741. The next prime is 13430683231781. The reversal of 13430683231768 is 86713238603431.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 17896996 + ... + 18632332.

Almost surely, 2^{13430683231768} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13430683231768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15081194109600).

13430683231768 is an abundant number, since it is smaller than the sum of its proper divisors (16731704987432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13430683231768 is a wasteful number, since it uses less digits than its factorization.

13430683231768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735821 (or 735817 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 55.

The spelling of 13430683231768 in words is "thirteen trillion, four hundred thirty billion, six hundred eighty-three million, two hundred thirty-one thousand, seven hundred sixty-eight".