14278693688 has 24 divisors (see below), whose sum is σ = 31143580200. Its totient is φ = 6119439984.

The previous prime is 14278693657. The next prime is 14278693757. The reversal of 14278693688 is 88639687241.

It is a self number, because there is not a number n which added to its sum of digits gives 14278693688.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18212228 + ... + 18213011.

It is an arithmetic number, because the mean of its divisors is an integer number (1297649175).

Almost surely, 2^14278693688 is an apocalyptic number.

It is an amenable number.

14278693688 is an abundant number, since it is smaller than the sum of its proper divisors (16864886512).

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

14278693688 is a wasteful number, since it uses less digits than its factorization.

14278693688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36425259 (or 36425248 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 62.

The spelling of 14278693688 in words is "fourteen billion, two hundred seventy-eight million, six hundred ninety-three thousand, six hundred eighty-eight".