14666621441471 has 4 divisors (see below), whose sum is σ = 14763751384944. Its totient is φ = 14569491498000.

The previous prime is 14666621441449. The next prime is 14666621441513. The reversal of 14666621441471 is 17414412666641.

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 14666621441471 - 2²² = 14666617247167 is a prime.

It is a super-3 number, since 3×14666621441471³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14666621441671) 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, 48564971510 + ... + 48564971811.

It is an arithmetic number, because the mean of its divisors is an integer number (3690937846236).

Almost surely, 2^{14666621441471} is an apocalyptic number.

14666621441471 is a deficient number, since it is larger than the sum of its proper divisors (97129943473).

14666621441471 is an equidigital number, since it uses as much as digits as its factorization.

14666621441471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97129943472.

The product of its digits is 4644864, while the sum is 53.

The spelling of 14666621441471 in words is "fourteen trillion, six hundred sixty-six billion, six hundred twenty-one million, four hundred forty-one thousand, four hundred seventy-one".