6840338233 has 4 divisors (see below), whose sum is σ = 6840533620. Its totient is φ = 6840142848.

The previous prime is 6840338191. The next prime is 6840338243. The reversal of 6840338233 is 3328330486.

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

It can be written as a sum of positive squares in 2 ways, for example, as 775511104 + 6064827129 = 27848^2 + 77877^2 .

It is a cyclic number.

It is not a de Polignac number, because 6840338233 - 2¹³ = 6840330041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6840338243) 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, 29148 + ... + 120541.

It is an arithmetic number, because the mean of its divisors is an integer number (1710133405).

Almost surely, 2^6840338233 is an apocalyptic number.

It is an amenable number.

6840338233 is a deficient number, since it is larger than the sum of its proper divisors (195387).

6840338233 is a wasteful number, since it uses less digits than its factorization.

6840338233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195386.

The product of its (nonzero) digits is 248832, while the sum is 40.

The square root of 6840338233 is about 82706.3373206673. The cubic root of 6840338233 is about 1898.2752800161.

The spelling of 6840338233 in words is "six billion, eight hundred forty million, three hundred thirty-eight thousand, two hundred thirty-three".