3243038899 has 4 divisors (see below), whose sum is σ = 3298005720. Its totient is φ = 3188072080.

The previous prime is 3243038891. The next prime is 3243038923. The reversal of 3243038899 is 9988303423.

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

It is not a de Polignac number, because 3243038899 - 2³ = 3243038891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3243038891) 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, 27483322 + ... + 27483439.

It is an arithmetic number, because the mean of its divisors is an integer number (824501430).

Almost surely, 2^3243038899 is an apocalyptic number.

3243038899 is a deficient number, since it is larger than the sum of its proper divisors (54966821).

3243038899 is an equidigital number, since it uses as much as digits as its factorization.

3243038899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54966820.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The square root of 3243038899 is about 56947.6856333951. The cubic root of 3243038899 is about 1480.1897277770.

The spelling of 3243038899 in words is "three billion, two hundred forty-three million, thirty-eight thousand, eight hundred ninety-nine".