14243661021 has 8 divisors (see below), whose sum is σ = 20108697984. Its totient is φ = 8937199040.

The previous prime is 14243660969. The next prime is 14243661067. The reversal of 14243661021 is 12016634241.

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

It is a cyclic number.

It is not a de Polignac number, because 14243661021 - 2⁶ = 14243660957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14243661021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14243661071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139643685 + ... + 139643786.

It is an arithmetic number, because the mean of its divisors is an integer number (2513587248).

Almost surely, 2^14243661021 is an apocalyptic number.

It is an amenable number.

14243661021 is a deficient number, since it is larger than the sum of its proper divisors (5865036963).

14243661021 is a wasteful number, since it uses less digits than its factorization.

14243661021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279287491.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 14243661021 in words is "fourteen billion, two hundred forty-three million, six hundred sixty-one thousand, twenty-one".