13999999999999 has 8 divisors (see below), whose sum is σ = 15077067943392. Its totient is φ = 12922952751840.

The previous prime is 13999999999963. The next prime is 14000000000003. The reversal of 13999999999999 is 99999999999931.

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

It is a cyclic number.

It is not a de Polignac number, because 13999999999999 - 2¹⁵ = 13999999967231 is a prime.

It is a super-9 number, since 9×13999999999999⁹ (a number of 120 digits) contains 999999999 as substring.

13999999999999 is a modest number, since divided by 9999999 gives 1399999 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13999999999099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3754372 + ... + 6488089.

It is an arithmetic number, because the mean of its divisors is an integer number (1884633492924).

Almost surely, 2^{13999999999999} is an apocalyptic number.

13999999999999 is a deficient number, since it is larger than the sum of its proper divisors (1077067943393).

13999999999999 is a wasteful number, since it uses less digits than its factorization.

13999999999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10347617.

The product of its digits is 847288609443, while the sum is 112.

It can be divided in two parts, 1 and 3999999999999, that added together give a square (4000000000000 = 2000000²).

The spelling of 13999999999999 in words is "thirteen trillion, nine hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".