2688842130439 has 4 divisors (see below), whose sum is σ = 2688858922456. Its totient is φ = 2688825338424.

The previous prime is 2688842130421. The next prime is 2688842130449. The reversal of 2688842130439 is 9340312488862.

It is a happy number.

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 2688842130439 - 2³¹ = 2686694646791 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 (2688842130419) 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, 8153484 + ... + 8476849.

It is an arithmetic number, because the mean of its divisors is an integer number (672214730614).

Almost surely, 2^{2688842130439} is an apocalyptic number.

2688842130439 is a deficient number, since it is larger than the sum of its proper divisors (16792017).

2688842130439 is a wasteful number, since it uses less digits than its factorization.

2688842130439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16792016.

The product of its (nonzero) digits is 15925248, while the sum is 58.

The spelling of 2688842130439 in words is "two trillion, six hundred eighty-eight billion, eight hundred forty-two million, one hundred thirty thousand, four hundred thirty-nine".