13995995999 has 4 divisors (see below), whose sum is σ = 14009467680. Its totient is φ = 13982524320.

The previous prime is 13995995987. The next prime is 13995996017. The reversal of 13995995999 is 99959959931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13995995999 - 2⁸ = 13995995743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13995995929) 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, 6734282 + ... + 6736359.

It is an arithmetic number, because the mean of its divisors is an integer number (3502366920).

Almost surely, 2^13995995999 is an apocalyptic number.

13995995999 is a deficient number, since it is larger than the sum of its proper divisors (13471681).

13995995999 is a wasteful number, since it uses less digits than its factorization.

13995995999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13471680.

The product of its digits is 358722675, while the sum is 77.

The spelling of 13995995999 in words is "thirteen billion, nine hundred ninety-five million, nine hundred ninety-five thousand, nine hundred ninety-nine".