13643310387768 has 32 divisors (see below), whose sum is σ = 34109297442960. Its totient is φ = 4547633932800.

The previous prime is 13643310387667. The next prime is 13643310387799. The reversal of 13643310387768 is 86778301334631.

It is a super-2 number, since 2×13643310387768² (a number of 27 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 7692583 + ... + 9298518.

Almost surely, 2^{13643310387768} is an apocalyptic number.

It is an amenable number.

13643310387768 is an abundant number, since it is smaller than the sum of its proper divisors (20465987055192).

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

13643310387768 is a wasteful number, since it uses less digits than its factorization.

13643310387768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17024567 (or 17024563 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 60.

The spelling of 13643310387768 in words is "thirteen trillion, six hundred forty-three billion, three hundred ten million, three hundred eighty-seven thousand, seven hundred sixty-eight".