2688371814 has 16 divisors (see below), whose sum is σ = 5419081728. Its totient is φ = 889067592.

The previous prime is 2688371797. The next prime is 2688371827. The reversal of 2688371814 is 4181738862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1763262 + ... + 1764785.

It is an arithmetic number, because the mean of its divisors is an integer number (338692608).

Almost surely, 2^2688371814 is an apocalyptic number.

2688371814 is an abundant number, since it is smaller than the sum of its proper divisors (2730709914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2688371814 is a wasteful number, since it uses less digits than its factorization.

2688371814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3528179.

The product of its digits is 516096, while the sum is 48.

The square root of 2688371814 is about 51849.5112223828. The cubic root of 2688371814 is about 1390.4747638962.

The spelling of 2688371814 in words is "two billion, six hundred eighty-eight million, three hundred seventy-one thousand, eight hundred fourteen".