3243427783320 has 64 divisors (see below), whose sum is σ = 9993263994720. Its totient is φ = 841538018304.

The previous prime is 3243427783273. The next prime is 3243427783327. The reversal of 3243427783320 is 233877243423.

3243427783320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3243427783320² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3243427783320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243427783327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365246437 + ... + 365255316.

Almost surely, 2^{3243427783320} is an apocalyptic number.

3243427783320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3243427783320 is an abundant number, since it is smaller than the sum of its proper divisors (6749836211400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3243427783320 is a wasteful number, since it uses less digits than its factorization.

3243427783320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730501804 (or 730501800 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 48.

The spelling of 3243427783320 in words is "three trillion, two hundred forty-three billion, four hundred twenty-seven million, seven hundred eighty-three thousand, three hundred twenty".