4221361667853 has 64 divisors (see below), whose sum is σ = 7334274355200. Its totient is φ = 2372179063680.

The previous prime is 4221361667849. The next prime is 4221361667867. The reversal of 4221361667853 is 3587661631224.

4221361667853 is a `hidden beast` number, since 4 + 2 + 2 + 13 + 616 + 6 + 7 + 8 + 5 + 3 = 666.

It is not a de Polignac number, because 4221361667853 - 2² = 4221361667849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4221361667853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221361667843) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7692976 + ... + 8223417.

It is an arithmetic number, because the mean of its divisors is an integer number (114598036800).

Almost surely, 2^{4221361667853} is an apocalyptic number.

It is an amenable number.

4221361667853 is a deficient number, since it is larger than the sum of its proper divisors (3112912687347).

4221361667853 is a wasteful number, since it uses less digits than its factorization.

4221361667853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15916479 (or 15916473 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The spelling of 4221361667853 in words is "four trillion, two hundred twenty-one billion, three hundred sixty-one million, six hundred sixty-seven thousand, eight hundred fifty-three".