12835370418385 has 4 divisors (see below), whose sum is σ = 15402444502068. Its totient is φ = 10268296334704.

The previous prime is 12835370418379. The next prime is 12835370418401. The reversal of 12835370418385 is 58381407353821.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3399071133649 + 9436299284736 = 1843657^2 + 3071856^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12835370418385 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 1283537041834 + ... + 1283537041843.

It is an arithmetic number, because the mean of its divisors is an integer number (3850611125517).

Almost surely, 2^{12835370418385} is an apocalyptic number.

It is an amenable number.

12835370418385 is a deficient number, since it is larger than the sum of its proper divisors (2567074083683).

12835370418385 is an equidigital number, since it uses as much as digits as its factorization.

12835370418385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567074083682.

The product of its (nonzero) digits is 19353600, while the sum is 58.

The spelling of 12835370418385 in words is "twelve trillion, eight hundred thirty-five billion, three hundred seventy million, four hundred eighteen thousand, three hundred eighty-five".