4221642453368 has 16 divisors (see below), whose sum is σ = 8332189053000. Its totient is φ = 1999725372576.

The previous prime is 4221642453367. The next prime is 4221642453383. The reversal of 4221642453368 is 8633542461224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221642453361) 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, 13886981603 + ... + 13886981906.

Almost surely, 2^{4221642453368} is an apocalyptic number.

It is an amenable number.

4221642453368 is a deficient number, since it is larger than the sum of its proper divisors (4110546599632).

4221642453368 is a wasteful number, since it uses less digits than its factorization.

4221642453368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27773963534 (or 27773963530 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 50.

The spelling of 4221642453368 in words is "four trillion, two hundred twenty-one billion, six hundred forty-two million, four hundred fifty-three thousand, three hundred sixty-eight".