13988888914 has 64 divisors (see below), whose sum is σ = 28828800000. Its totient is φ = 4913939520.

The previous prime is 13988888887. The next prime is 13988888917. The reversal of 13988888914 is 41988888931.

It is a self number, because there is not a number n which added to its sum of digits gives 13988888914.

It is not an unprimeable number, because it can be changed into a prime (13988888917) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4837 + ... + 167335.

It is an arithmetic number, because the mean of its divisors is an integer number (450450000).

Almost surely, 2^13988888914 is an apocalyptic number.

13988888914 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13988888914 is an abundant number, since it is smaller than the sum of its proper divisors (14839911086).

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

13988888914 is a wasteful number, since it uses less digits than its factorization.

13988888914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162575.

The product of its digits is 31850496, while the sum is 67.

The spelling of 13988888914 in words is "thirteen billion, nine hundred eighty-eight million, eight hundred eighty-eight thousand, nine hundred fourteen".