13999668903 has 18 divisors (see below), whose sum is σ = 22227207912. Its totient is φ = 8484647160.

The previous prime is 13999668871. The next prime is 13999668919. The reversal of 13999668903 is 30986699931.

It is not a de Polignac number, because 13999668903 - 2⁵ = 13999668871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13999668803) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6426675 + ... + 6428852.

It is an arithmetic number, because the mean of its divisors is an integer number (1234844884).

Almost surely, 2^13999668903 is an apocalyptic number.

13999668903 is a deficient number, since it is larger than the sum of its proper divisors (8227539009).

13999668903 is a wasteful number, since it uses less digits than its factorization.

13999668903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12855555 (or 12855541 counting only the distinct ones).

The product of its (nonzero) digits is 17006112, while the sum is 63.

The spelling of 13999668903 in words is "thirteen billion, nine hundred ninety-nine million, six hundred sixty-eight thousand, nine hundred three".