14664846641 has 4 divisors (see below), whose sum is σ = 14668190784. Its totient is φ = 14661502500.

The previous prime is 14664846631. The next prime is 14664846689.

14664846641 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14664846641 - 2¹⁰ = 14664845617 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 14664846641.

It is not an unprimeable number, because it can be changed into a prime (14664846631) 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, 1665485 + ... + 1674266.

It is an arithmetic number, because the mean of its divisors is an integer number (3667047696).

Almost surely, 2^14664846641 is an apocalyptic number.

It is an amenable number.

14664846641 is a deficient number, since it is larger than the sum of its proper divisors (3344143).

14664846641 is an equidigital number, since it uses as much as digits as its factorization.

14664846641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3344142.

The product of its digits is 2654208, while the sum is 50.

The spelling of 14664846641 in words is "fourteen billion, six hundred sixty-four million, eight hundred forty-six thousand, six hundred forty-one".