14278674817 has 12 divisors (see below), whose sum is σ = 15710430820. Its totient is φ = 12967637760.

The previous prime is 14278674811. The next prime is 14278674829. The reversal of 14278674817 is 71847687241.

It can be written as a sum of positive squares in 2 ways, for example, as 3078474256 + 11200200561 = 55484^2 + 105831^2 .

It is not a de Polignac number, because 14278674817 - 2¹¹ = 14278672769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14278674811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63613 + ... + 180565.

Almost surely, 2^14278674817 is an apocalyptic number.

It is an amenable number.

14278674817 is a deficient number, since it is larger than the sum of its proper divisors (1431756003).

14278674817 is a wasteful number, since it uses less digits than its factorization.

14278674817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117984 (or 117973 counting only the distinct ones).

The product of its digits is 4214784, while the sum is 55.

The spelling of 14278674817 in words is "fourteen billion, two hundred seventy-eight million, six hundred seventy-four thousand, eight hundred seventeen".