2311840783439 has 4 divisors (see below), whose sum is σ = 2522008127400. Its totient is φ = 2101673439480.

The previous prime is 2311840783429. The next prime is 2311840783459. The reversal of 2311840783439 is 9343870481132.

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

It is a cyclic number.

It is not a de Polignac number, because 2311840783439 - 2²⁴ = 2311824006223 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 (2311840783409) 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, 105083671964 + ... + 105083671985.

It is an arithmetic number, because the mean of its divisors is an integer number (630502031850).

Almost surely, 2^{2311840783439} is an apocalyptic number.

2311840783439 is a deficient number, since it is larger than the sum of its proper divisors (210167343961).

2311840783439 is a wasteful number, since it uses less digits than its factorization.

2311840783439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210167343960.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 2311840783439 in words is "two trillion, three hundred eleven billion, eight hundred forty million, seven hundred eighty-three thousand, four hundred thirty-nine".