14327271821 has 8 divisors (see below), whose sum is σ = 14406480504. Its totient is φ = 14248215040.

The previous prime is 14327271793. The next prime is 14327271823. The reversal of 14327271821 is 12817272341.

It can be written as a sum of positive squares in 4 ways, for example, as 974313796 + 13352958025 = 31214^2 + 115555^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14327271821 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 (14327271823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153845 + ... + 228741.

It is an arithmetic number, because the mean of its divisors is an integer number (1800810063).

Almost surely, 2^14327271821 is an apocalyptic number.

It is an amenable number.

14327271821 is a deficient number, since it is larger than the sum of its proper divisors (79208683).

14327271821 is an equidigital number, since it uses as much as digits as its factorization.

14327271821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75951.

The product of its digits is 37632, while the sum is 38.

The spelling of 14327271821 in words is "fourteen billion, three hundred twenty-seven million, two hundred seventy-one thousand, eight hundred twenty-one".