13665040350435 has 24 divisors (see below), whose sum is σ = 23686648767600. Its totient is φ = 7287843419712.

The previous prime is 13665040350407. The next prime is 13665040350443. The reversal of 13665040350435 is 53405304056631.

13665040350435 is a `hidden beast` number, since 1 + 3 + 66 + 50 + 4 + 0 + 3 + 504 + 35 = 666.

It is not a de Polignac number, because 13665040350435 - 2⁸ = 13665040350179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1838149 + ... + 5541558.

It is an arithmetic number, because the mean of its divisors is an integer number (986943698650).

Almost surely, 2^{13665040350435} is an apocalyptic number.

13665040350435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13665040350435 is a deficient number, since it is larger than the sum of its proper divisors (10021608417165).

13665040350435 is a wasteful number, since it uses less digits than its factorization.

13665040350435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7420867 (or 7420864 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 45.

The spelling of 13665040350435 in words is "thirteen trillion, six hundred sixty-five billion, forty million, three hundred fifty thousand, four hundred thirty-five".