3243203689 has 32 divisors (see below), whose sum is σ = 3828021120. Its totient is φ = 2715840000.

The previous prime is 3243203687. The next prime is 3243203729. The reversal of 3243203689 is 9863023423.

3243203689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3243203689 - 2¹ = 3243203687 is a prime.

It is a super-4 number, since 4×3243203689⁴ (a number of 39 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (3243203681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3949899 + ... + 3950719.

It is an arithmetic number, because the mean of its divisors is an integer number (119625660).

Almost surely, 2^3243203689 is an apocalyptic number.

It is an amenable number.

3243203689 is a deficient number, since it is larger than the sum of its proper divisors (584817431).

3243203689 is a wasteful number, since it uses less digits than its factorization.

3243203689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353.

The product of its (nonzero) digits is 186624, while the sum is 40.

The square root of 3243203689 is about 56949.1324692484. The cubic root of 3243203689 is about 1480.2147985354.

The spelling of 3243203689 in words is "three billion, two hundred forty-three million, two hundred three thousand, six hundred eighty-nine".