14427857663 has 4 divisors (see below), whose sum is σ = 14817799800. Its totient is φ = 14037915528.

The previous prime is 14427857623. The next prime is 14427857669. The reversal of 14427857663 is 36675872441.

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 14427857663 - 2¹² = 14427853567 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 (14427857669) 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, 194971013 + ... + 194971086.

It is an arithmetic number, because the mean of its divisors is an integer number (3704449950).

Almost surely, 2^14427857663 is an apocalyptic number.

14427857663 is a deficient number, since it is larger than the sum of its proper divisors (389942137).

14427857663 is an equidigital number, since it uses as much as digits as its factorization.

14427857663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389942136.

The product of its digits is 6773760, while the sum is 53.

The spelling of 14427857663 in words is "fourteen billion, four hundred twenty-seven million, eight hundred fifty-seven thousand, six hundred sixty-three".