3240502243421 has 4 divisors (see below), whose sum is σ = 3309449099712. Its totient is φ = 3171555387132.

The previous prime is 3240502243351. The next prime is 3240502243469. The reversal of 3240502243421 is 1243422050423.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3240502243421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240502243481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34473428075 + ... + 34473428168.

It is an arithmetic number, because the mean of its divisors is an integer number (827362274928).

Almost surely, 2^{3240502243421} is an apocalyptic number.

It is an amenable number.

3240502243421 is a deficient number, since it is larger than the sum of its proper divisors (68946856291).

3240502243421 is an equidigital number, since it uses as much as digits as its factorization.

3240502243421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68946856290.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 3240502243421 its reverse (1243422050423), we get a palindrome (4483924293844).

The spelling of 3240502243421 in words is "three trillion, two hundred forty billion, five hundred two million, two hundred forty-three thousand, four hundred twenty-one".