14427481493987 has 4 divisors (see below), whose sum is σ = 14427495036096. Its totient is φ = 14427467951880.

The previous prime is 14427481493951. The next prime is 14427481494031. The reversal of 14427481493987 is 78939418472441.

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 14427481493987 - 2⁶ = 14427481493923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14427481493987.

It is not an unprimeable number, because it can be changed into a prime (14427481493917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5022464 + ... + 7353917.

It is an arithmetic number, because the mean of its divisors is an integer number (3606873759024).

Almost surely, 2^{14427481493987} is an apocalyptic number.

14427481493987 is a deficient number, since it is larger than the sum of its proper divisors (13542109).

14427481493987 is a wasteful number, since it uses less digits than its factorization.

14427481493987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13542108.

The product of its digits is 390168576, while the sum is 71.

The spelling of 14427481493987 in words is "fourteen trillion, four hundred twenty-seven billion, four hundred eighty-one million, four hundred ninety-three thousand, nine hundred eighty-seven".