14040817987 has 4 divisors (see below), whose sum is σ = 16046649136. Its totient is φ = 12034986840.

The previous prime is 14040817969. The next prime is 14040817991. The reversal of 14040817987 is 78971804041.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14040817987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14040817987.

It is not an unprimeable number, because it can be changed into a prime (14040817957) 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, 1002915564 + ... + 1002915577.

It is an arithmetic number, because the mean of its divisors is an integer number (4011662284).

Almost surely, 2^14040817987 is an apocalyptic number.

14040817987 is a deficient number, since it is larger than the sum of its proper divisors (2005831149).

14040817987 is an equidigital number, since it uses as much as digits as its factorization.

14040817987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005831148.

The product of its (nonzero) digits is 451584, while the sum is 49.

The spelling of 14040817987 in words is "fourteen billion, forty million, eight hundred seventeen thousand, nine hundred eighty-seven".