13605430461242 has 4 divisors (see below), whose sum is σ = 20408145691866. Its totient is φ = 6802715230620.

The previous prime is 13605430461199. The next prime is 13605430461289. The reversal of 13605430461242 is 24216403450631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11289673920121 + 2315756541121 = 3360011^2 + 1521761^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13605430461242.

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 as a sum of consecutive naturals, namely, 3401357615309 + ... + 3401357615312.

Almost surely, 2^{13605430461242} is an apocalyptic number.

13605430461242 is a deficient number, since it is larger than the sum of its proper divisors (6802715230624).

13605430461242 is an equidigital number, since it uses as much as digits as its factorization.

13605430461242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6802715230623.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 13605430461242 in words is "thirteen trillion, six hundred five billion, four hundred thirty million, four hundred sixty-one thousand, two hundred forty-two".