14027428565 has 4 divisors (see below), whose sum is σ = 16832914284. Its totient is φ = 11221942848.

The previous prime is 14027428549. The next prime is 14027428621. The reversal of 14027428565 is 56582472041.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2228689681 + 11798738884 = 47209^2 + 108622^2 .

It is a cyclic number.

It is not a de Polignac number, because 14027428565 - 2⁴ = 14027428549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1402742852 + ... + 1402742861.

It is an arithmetic number, because the mean of its divisors is an integer number (4208228571).

Almost surely, 2^14027428565 is an apocalyptic number.

It is an amenable number.

14027428565 is a deficient number, since it is larger than the sum of its proper divisors (2805485719).

14027428565 is an equidigital number, since it uses as much as digits as its factorization.

14027428565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805485718.

The product of its (nonzero) digits is 537600, while the sum is 44.

The spelling of 14027428565 in words is "fourteen billion, twenty-seven million, four hundred twenty-eight thousand, five hundred sixty-five".