14443430560661 has 4 divisors (see below), whose sum is σ = 14454532353324. Its totient is φ = 14432328768000.

The previous prime is 14443430560651. The next prime is 14443430560673. The reversal of 14443430560661 is 16606503434441.

14443430560661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 496417475761 + 13947013084900 = 704569^2 + 3734570^2 .

It is a cyclic number.

It is not a de Polignac number, because 14443430560661 - 2²² = 14443426366357 is a prime.

It is a super-2 number, since 2×14443430560661² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14443430560651) 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, 5550894380 + ... + 5550896981.

It is an arithmetic number, because the mean of its divisors is an integer number (3613633088331).

Almost surely, 2^{14443430560661} is an apocalyptic number.

It is an amenable number.

14443430560661 is a deficient number, since it is larger than the sum of its proper divisors (11101792663).

14443430560661 is a wasteful number, since it uses less digits than its factorization.

14443430560661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11101792662.

The product of its (nonzero) digits is 2488320, while the sum is 47.

The spelling of 14443430560661 in words is "fourteen trillion, four hundred forty-three billion, four hundred thirty million, five hundred sixty thousand, six hundred sixty-one".