3243340615015 has 4 divisors (see below), whose sum is σ = 3892008738024. Its totient is φ = 2594672492008.

The previous prime is 3243340614991. The next prime is 3243340615051. The reversal of 3243340615015 is 5105160433423.

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

It is a cyclic number.

It is not a de Polignac number, because 3243340615015 - 2¹⁵ = 3243340582247 is a prime.

It is a Duffinian number.

It is a congruent 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, 324334061497 + ... + 324334061506.

It is an arithmetic number, because the mean of its divisors is an integer number (973002184506).

Almost surely, 2^{3243340615015} is an apocalyptic number.

3243340615015 is a deficient number, since it is larger than the sum of its proper divisors (648668123009).

3243340615015 is an equidigital number, since it uses as much as digits as its factorization.

3243340615015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648668123008.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 3243340615015 in words is "three trillion, two hundred forty-three billion, three hundred forty million, six hundred fifteen thousand, fifteen".