3243666504355 has 4 divisors (see below), whose sum is σ = 3892399805232. Its totient is φ = 2594933203480.

The previous prime is 3243666504343. The next prime is 3243666504383. The reversal of 3243666504355 is 5534056663423.

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

It is a de Polignac number, because none of the positive numbers 2^k-3243666504355 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324366650431 + ... + 324366650440.

It is an arithmetic number, because the mean of its divisors is an integer number (973099951308).

Almost surely, 2^{3243666504355} is an apocalyptic number.

3243666504355 is a deficient number, since it is larger than the sum of its proper divisors (648733300877).

3243666504355 is an equidigital number, since it uses as much as digits as its factorization.

3243666504355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648733300876.

The product of its (nonzero) digits is 23328000, while the sum is 52.

The spelling of 3243666504355 in words is "three trillion, two hundred forty-three billion, six hundred sixty-six million, five hundred four thousand, three hundred fifty-five".