4221623852533 has 8 divisors (see below), whose sum is σ = 4237899939000. Its totient is φ = 4205371651008.

The previous prime is 4221623852489. The next prime is 4221623852543. The reversal of 4221623852533 is 3352583261224.

It can be written as a sum of positive squares in 4 ways, for example, as 8715716164 + 4212908136369 = 93358^2 + 2052537^2 .

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 4221623852533 - 2⁹ = 4221623852021 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 (4221623852543) 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, 5617018 + ... + 6324091.

It is an arithmetic number, because the mean of its divisors is an integer number (529737492375).

Almost surely, 2^{4221623852533} is an apocalyptic number.

It is an amenable number.

4221623852533 is a deficient number, since it is larger than the sum of its proper divisors (16276086467).

4221623852533 is a wasteful number, since it uses less digits than its factorization.

4221623852533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11942471.

The product of its digits is 2073600, while the sum is 46.

The spelling of 4221623852533 in words is "four trillion, two hundred twenty-one billion, six hundred twenty-three million, eight hundred fifty-two thousand, five hundred thirty-three".