13947788914 has 8 divisors (see below), whose sum is σ = 20922269148. Its totient is φ = 6973699200.

The previous prime is 13947788857. The next prime is 13947788917. The reversal of 13947788914 is 41988774931.

It can be written as a sum of positive squares in 2 ways, for example, as 9945075625 + 4002713289 = 99725^2 + 63267^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13947788917) 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, 20014 + ... + 168214.

Almost surely, 2^13947788914 is an apocalyptic number.

13947788914 is a deficient number, since it is larger than the sum of its proper divisors (6974480234).

13947788914 is a wasteful number, since it uses less digits than its factorization.

13947788914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195260.

The product of its digits is 12192768, while the sum is 61.

The spelling of 13947788914 in words is "thirteen billion, nine hundred forty-seven million, seven hundred eighty-eight thousand, nine hundred fourteen".