4550068140221 has 16 divisors (see below), whose sum is σ = 4567413381120. Its totient is φ = 4532768108160.

The previous prime is 4550068140209. The next prime is 4550068140229. The reversal of 4550068140221 is 1220418600554.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4550068140221 - 2¹⁸ = 4550067878077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4550068140229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 539678876 + ... + 539687306.

It is an arithmetic number, because the mean of its divisors is an integer number (285463336320).

Almost surely, 2^{4550068140221} is an apocalyptic number.

It is an amenable number.

4550068140221 is a deficient number, since it is larger than the sum of its proper divisors (17345240899).

4550068140221 is an equidigital number, since it uses as much as digits as its factorization.

4550068140221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10876.

The product of its (nonzero) digits is 76800, while the sum is 38.

The spelling of 4550068140221 in words is "four trillion, five hundred fifty billion, sixty-eight million, one hundred forty thousand, two hundred twenty-one".