4221646243253 has 8 divisors (see below), whose sum is σ = 4281148028160. Its totient is φ = 4162145624560.

The previous prime is 4221646243231. The next prime is 4221646243363. The reversal of 4221646243253 is 3523426461224.

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

It is not a de Polignac number, because 4221646243253 - 2²⁰ = 4221645194677 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 (4221646293253) 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, 9129251 + ... + 9580527.

It is an arithmetic number, because the mean of its divisors is an integer number (535143503520).

Almost surely, 2^{4221646243253} is an apocalyptic number.

It is an amenable number.

4221646243253 is a deficient number, since it is larger than the sum of its proper divisors (59501784907).

4221646243253 is a wasteful number, since it uses less digits than its factorization.

4221646243253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583107.

The product of its digits is 1658880, while the sum is 44.

The spelling of 4221646243253 in words is "four trillion, two hundred twenty-one billion, six hundred forty-six million, two hundred forty-three thousand, two hundred fifty-three".